Wheel s owner manual

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Transcription:

Wheel s owner manual 1

2 Congratulations on Your new KRU wheels. Please read these instructions carefully and follow them to ensure correct use. An improper installation or wrong application of the instructions could damage the product in a way that will not be covered under warranty, damage the bicycle or cause an accident resulting in injury or death. Since specific tools and experience are necessary for proper installation, it is recommended that the product be installed by an official KRU dealer or a qualified bicycle technician.

Wheel s owner manual INDEX 4 _GENERAL SAFETY INFORMATION 5 _WARRANTY 5 _LIMITS OF WARRANTY 6 _TYRES Tubular wheels Clincher wheels 7 _VALVE EXTENDER INSTALLATION 8 _SPROCKETS INSTALLATION 10 _WHEELS INSTALLATION INSTRUCTIONS 11 _BRAKE PADS INSTRUCTIONS Wheels with alloy braking surface Wheels with carbon braking surface 12 _SPOKES INSTALLATION 13 _OPTIONAL ACCESSORIES Flange caps Decals and Stickers Accessories for W-GEAR wheels Carbon valve cap Valve adapter tool Valve vibration stopper 16 _CLEANING, MAINTENANCE AND REPLACEMENT PARTS 17 _TECHNICAL SPECIFICATIONS 21 _CONTACTS 3

GENERAL SAFETY INFORMATION It is the user s responsibility to examine the product on a regular basis to determine the need for service or replacement. Wheels and their components are products that wear from normal use of the bicycle, for that reason we recommend cyclists regularly inspect their bicycle and parts in order to detect any damage. If you have any doubts or are experiencing any problems, discontinue riding the wheels and have them inspected by an official KRU dealer or a qualified bicycle technician. These wheels have been designed and intended to be used on normal paved surfaces. In case of use on non paved surfaces or off-road, wheels can be subject to damages, lose their functioning and cause serious accidents and injury for the user. Regularly check the wheels to make sure they are installed correctly to the bicycle and fastened securely to the frame and fork through the quick releases. An incorrect installation of the quick release can result in the separation of the wheel from the fork and cause serious accidents and injury for the user. In case of accident or bicycle fall, discontinue riding the wheels and have them inspected carefully by an official KRU dealer or a qualified bicycle technician. The use of any damaged bicycle part can cause serious accidents and injury for the user. Carbon wheels with carbon braking surfaces require specific brake pads using a special mixture to guarantee an efficient braking performance and carbon rim structure integrity over time. Use only original KRU brake pads for carbon rims. Any other different brake pad, including those intended for carbon rims, can cause malfunctions or decrease the braking performance and cause serious accidents and injury for the user. Bicycle rim is a component subject to wear even during normal riding conditions. Inspect the rim brake surface regularly and discontinue in case of damages or if you have any doubts on the wear status of the component. In case rim replacement is required, please contact an official KRU dealer. The continuous use of a worn rim can damage braking efficiency, lead to component failure and cause serious accidents and injury for the user. Adjust the brake pads according to the instructions included in this user s manual. An incorrect brake pads adjustment can affect the efficiency of the wheel braking performance, damage the rims and cause serious accidents and injury for the user. Install only bicycle tyres compatible with rims technical specifications included in this user s manual. The installation of tyres not compatible can damage the rim wheels, invalidate the KRU Warranty and cause serious accidents and injury for the user. Follow the minimum inflation pressure recommended by the tyre manufacturer. Never exceed the maximum inflation pressure permitted which is of 8 bar / 116 psi for KRU clincher wheels and 10 bar / 145 psi for KRU tubular wheels. The use of inflation pressures out of this range can damage the rim, invalidate the KRU Warranty and cause serious accidents and injury for the user. Read the whole User s Manual carefully and keep it in a safe place for later reference. 4

WARRANTY KRU warrants all KRU products to be free from defects in materials or workmanship for a period of two years after original purchase unless otherwise stated on the Warranty policy. The Warranty is valid for the purchase of an original KRU product only. Please make sure to keep the receipt of your purchase. KRU will be unable to cover your product under warranty if you are unable to demonstrate proof of purchase through an official KRU dealer or sales channel. LIMITS OF WARRANTY KRU wheel hubs are guaranteed to work for 200,000 km thanks to their patented technology that provides optimal performance without the usual maintenance required from wheel hubs. No maintenance on KRU hub bearings is required and any work or alteration of the bearings is in fact prohibited. In case of issues with your hubs please contact your dealer or KRU directly. The Warranty doesn t cover damages caused by modifications, even small; any kind of adaptations or alteration; maintenance performed by unauthorized mechanics; use of the product outside normal riding conditions on paved road surfaces. Also, the Warranty doesn t cover damages caused by impacts, collisions, falls that may occur for accidental reasons. The Warranty doesn t cover damages to the carbon wheels caused by using brake pads that are not original KRU, even if specific for carbon rims. The Warranty doesn t cover aesthetic defects like: matting, chap, fading or other phenomenons that may occur to the wheels during the use and after cleaning the bicycle using pressured water, petrol, solvents or similar products. In case of imperfections, defects or damages found on the product, the user is asked to entry in contact with the dealer within 10 (ten) days; after this period ends the Warranty will be no more considered eligible. KRU reserves the right to modify partially or completely the products, instructions and warranty without any notice to the customer. 5

TYRES Please read the relevant section depending on your product: Tubular wheels Tubular wheels are designed to be compatible only with tubular tyres that require the tyre bonding directly on the rim bed surface. Check tyres dimensions according to the rim technical specifications included in this user s manual. Before tyre installation apply an adhesive tape around the valve air in order to avoid annoying rumors due to the contact between aluminum valve and rim surface. Before tyre installation carefully read the recommended instructions of the tubular tyre manufacturer. It is always recommended to respect the following procedure: Slightly sand the bed rim surface using very thin high grit sandpaper. Use acetone or similar product to degrease the contact surface rim-tubular in order to remove residual that can affect the bonding efficiency. Apply at least 2 coats of glue to the rim bed surface and 1 coat to the tubular tyre. Wait till the glue is completely dry on the rim and tubular before mounting the tubular on the rim. Wait at least 24 hours, after the tubular tyre has been installed on the wheel, before using the bicycle. If the length of the valve of your tubular tyre is shorter than the rim depth, make sure to read the section on valve extender installation. Proceed with tyre inflation as per tyre manufacturer recommendations. Never exceed the maximum inflation pressure permitted for this KRU carbon rim of 10 bar / 145 psi. WARNING: Do not use tyres non compatible with this wheel. The use of non compatible tyres can cause sudden and unexpected loss of pressure, loss of control and tyre failure resulting in serious accident and injury for the user. WARNING: Tubular tyre installation requires a specific experience of the product, in case of doubt please contact an official KRU dealer or a qualified bicycle technician. During tyre installation don t use tools or tyre levers that can fold, damage or fragilize the rim edge. An incorrect tyre installation can cause serious accidents and injury for the user. WARNING: Never exceed the maximum inflation pressure recommended by the wheels manufacturer as indicated in this user s manual. Excessive tyre pressures could damage the rim structure resulting in serious accident and injury for the user. 6

Clincher wheels Your wheels are designed to use clincher tyres with inner tubes only. Check tyres and inner tubes dimensions according to the rim technical specifications included in this user s manual. WARNING: Do not use tubular or tubeless tyres with this wheel. The use of non compatible tyres with this wheel can cause sudden and unexpected loss of pressure, loss of control and tyre failure resulting in serious accident and injury for the user. WARNING: Our rim tape is 18mm wide for all clincher wheels except for the C-50 for which the width of the rim tape is 20mm. Please make sure to check technical specifications for more information. Before installing the tyre, make sure that the rim tape is already installed in the right position inside the rim; if not please install the rim tape first (check that you are using the correct size of tape). Make sure the rim tape covers all the rim bed holes along the entire circumference of the wheel. The valve hole on the rim tape has to be placed at the same position of the valve hole of the rim wheel (Image below). If the length of the valve of the inner tube is shorter than the rim depth, make sure to read the section on valve extender installation. Install the tyre on the wheel and proceed with tyre inflation as per tyre manufacturer recommendations. Never exceed the maximum inflation pressure permitted for this KRU carbon rim of 8 bar / 116 psi. 1 2 3 WARNING: Never exceed the maximum inflation pressure recommended by the wheels manufacturer as indicated in this user s manual. Excessive tyre pressures could damage the rim structure resulting in serious accident and injury for the user. WARNING: tyre installation requires a specific experience of the product, in case of doubt please contact an official KRU dealer or a qualified bicycle technician. During tyre installation don t use tools or tyre lever that can fold, damage or fragilize the rim edge. An incorrect tyre installation can cause serious accidents and injury for the user. 7

VALVE EXTENDER INSTALLATION KRU valve extenders fit only on tyre valves with removable core. To install: Remove the valve core (use nose pliers for easier removal). Apply a few turns of teflon tape around the threads of the valve to increase the seal (optional). Install the extender onto the valve. Repeat the steps above until the overall length is bigger than the rim depth (you may need up to 3 extenders for an 88mm rim, depending on the tyre valve size). Re-install the valve core onto the end of the extender. 8

SPROCKETS INSTALLATION KRU wheels are available with Shimano / Sram 10-11 speed cassette and Campagnolo 11 speed cassette. Read and carefully follow the installation instructions of the sprockets provided by the sprockets manufacturer. The rear wheel with Shimano freehub body is supplied with a 1.50mm aluminum spacer that is intended to be used with Shimano /Sram 10 speed cassette only. Please don t use 1.50mm spacer with 11 speed cassette. Wheel Type Shimano / Sram Freehub Cassette Compatibility Shimano 11V Shimano 10V+1.50mm spacer Sram 10V+1.50mm spacer Campagnolo Campagnolo 11V - WARNING: Since specific tools and experience are necessary for proper sprockets installation, in case of doubt it is recommended that the product be installed by an official KRU dealer or a qualified bicycle technician. An incorrect sprockets installation can cause serious accidents and injury for the user. WARNING: Please make sure that wheel freehub body is compatible with your sprockets cassette before proceeding with the assembly. Failure to ensure compatibility between wheel and sprockets cassette can cause malfunction of the bicycle drive train resulting in serious accident and injury for the user. 9

WHEELS INSTALLATION INSTRUCTIONS WARNING: Since specific experience is necessary for proper wheels installation, in case of doubt it is recommended that the product be installed by an official KRU dealer or a qualified bicycle technician. An incorrect wheels installation can cause serious accidents and injury for the user. Insert the quick release into hub so that the lever be on the non drive side of the wheel and tighten the quick release nut slightly on the opposite side of the lever. (Note: front quick release is shorter than rear) Install the front and rear wheel respectively into the fork and frame drop-outs. Tighten the quick release nut until is in contact with the fork or frame drop-outs. Close the quick release lever from the Open to the Closed position; if necessary adjust the closing force manually through the nut (tightening the force increases, untightening the force decreases) (Image below). WARNING: While adjusting the closing force manually, please make sure not to tighten or untighten the nut too much. A 1 2 turn of rotation can result in the non closing of the wheel or excessive closing force of the wheel. The improper adjustment of the wheel closing can cause serious accidents and injury for the user. When the lever is closed, make sure it is completely closed and do not allow the frame or fork to inhibit the complete closing of the lever (Image below). Check before every ride the closing force of the wheel and correct mechanism functioning of quick releases. WARNING: After cleaning the bicycle or a ride in rain conditions, please lubricate pivot and cam points in order to prevent oxidation phenomenons that damage the correct mechanism functioning of quick releases. 10

BRAKE PADS INSTRUCTIONS Wheels with alloy braking surface You can use any brake pads for alloy braking surface such as those already present on your bicycle. You can skip the rest of this section. Wheels with carbon braking surface Your carbon wheels are supplied with specific KRU brake pads. User can use the brake pads directly mounted on brake pad holders of his own bike. KRU brake pads have been developed with specific compound to match the carbon structure of KRU wheels. SET UP OF BRAKE PADS: Remove original pads from the brakesets of your bicycle and replace them with those provided with the wheels. Make sure to respect the correct mounting direction of brake pads by watching the indications directly present on the pad surface. If present on the brake pad holder, tighten the security screw to secure the pad in position. Adjust the brake pads in order to be aligned with the rim brake surface and to be around 2mm distant from the upper edge of the rim (image below). 11

Before using the bicycle, always make sure that the installed brakesets installed work correctly and brake pads have been mounted according to the wheels user s manual. Frequently inspect the brake pads and, if necessary, remove metal chips or other foreign debris from their surfaces. In rain conditions the braking power decrease so that the braking distance of the bicycle will increase considerably. Make sure to replace the brake pads when they are worn out. In that situation discontinue riding the bicycle and replace them with original KRU spare parts. You can tell brake pads are worn out when the teeth (or grooves) have almost disappeared or are not visible anymore. WARNING: Brake pads installation require a specific knowledge of the product. In case of doubt always contact an official KRU dealer or a qualified bicycle technician. The incorrect installation of the brake pads can cause serious accident and injury for the user. WARNING: Metal debris and foreign objects included into the brake pad surface will compromise the braking performance and cause severe rim damages that may result in wheel failure and cause serious accident to the user. SPOKES INSTALLATION WARNING: Spokes installation require a specific knowledge of the product. It is recommended that installation is performed by a qualified bicycle technician. Please contact an official KRU dealer or a qualified bicycle technician. The incorrect installation of the spokes can cause serious accident and injury for the user. When replacing the spokes of KRU wheels, make sure the spoke washers are placed between the head of the spoke and the hub (image below). 12

OPTIONAL ACCESSORIES Flange caps KRU hubs are fully functional without hub caps. However, they are provided for extra protection of the hub and for distinctive aesthetic. Furthermore, KRU coloured hub caps are available as optional accessories. For the front wheel it s possible to install them on both sides of the wheel whereas for the rear wheel a flange cap can be installed only on the non-drive side. To install: Remove the wheel from the bike; Remove the quick release skewer; Place the hub caps on the side of the wheel (look at image below for correct placement); Re-install the quick release axle making sure it goes through the hub caps and the wheel hub; Re-install the wheel onto the bike. 13

Decals and stickers KRU supplies stickers as optional items that can be separately purchased and installed on the wheel. Stickers can be placed on top of the rim decals for personalisation. A few tips for proper installation: Make sure the surface of the wheel is clean and dry. Use a cloth or tissue with water to clean the rim surface. Avoid using pressured water, petrol, solvents or products that may damage the original rim coating and decals; We recommend cutting each letter with a scissor as shown in the below picture and applying each letter separately. Accessories for W-GEAR wheels On W-GEAR wheels, KRU supplies some accessories specific to this type of wheel: Carbon valve cap This can be applied into the valve hole pocket for improved aerodynamic profile. The cap is surrounded by a rubber O-ring that secure the cap position into the valve pocket. To fit the cap into the valve pocket simply push it down into the hole, after tire installation and inflating. To remove the valve cap insert a tool into the hole drilled into the valve cap itself and pull, as shown in the below picture. 14

Valve adapter tool This valve adapter can be placed on top of the valve when inflating the Disc wheel tyre. You may find it easier to inflate a disc wheel if you ask a second person to hold the valve adapter in place. Valve vibration stopper KRU supplies the valve vibration stopper as an optional item that can be installed on the valve to reduce vibration and avoid annoying noises during the ride. Furthermore, this prevents the valve from touching the side walls of the valve hole to preserve the rims and provide a longer durability of the wheel. A few recommendations for correct installation: Before applying the valve vibration stopper, make sure the surface of the wheel is clean and dry. Use a cloth or tissue with water to clean the rim surface. Avoid using pressured water, petrol, solvents or any products that may damage the original rim coating and decals; Remove the valve vibration stopper from its base (image below); Install the valve vibration stopper in the same way you would apply a sticker by positioning it onto the valve and making sure the surface sticks to the rim (image below). 15

CLEANING, MAINTENANCE AND REPLACEMENT PARTS The wheels you have just purchased are high technology products that require specific care and maintenance to fully obtain the maximum performance advantages and to preserve them over time. So we recommend to follow simple rules of use to avoid any kind of problem. WARNING: Never clean the wheels and parts using high pressure and high temperature water. The water pressure can overcome seals and bearings protections systems causing damages irreparably or malfunction of internal parts of the hub. Never use solvents, chemical products, petrol or similar substances, over the hubs that can damage seals and rubber gaskets or remove the grease from the bearings completely. After washing the bicycle, dry every parts and components avoiding to store water into the hollow points of the wheel ( for instance inside the rim and hub). Frequently check the wear status of the wheels parts and if necessary make the maintenance and/or parts replacement through the official KRU dealers. The recommended service intervals depend on the use and using condition of the wheels. It is recommended to make an inspection after each riding season or every time the wheel seems out of center or damaged parts are apparent. Since specific tools and experience are necessary for wheel trueing or parts replacement, it is recommended that the service is be done by official KRU dealer. For any service or replacement parts, only original KRU spare parts have to be used in order to guarantee the product quality and the warranty maintaining. 16

TECHNICAL SPECIFICATIONS C-38 Rim Hubs Tyre Size (ETRTO) Width - Height Front O.L.D. Rear O.L.D. Type compatibility Size compatibility 622x17C 25,5x38mm 100mm 130mm Clicher 700x23C (or larger) Recommended size 700x25C Spokes Front (x20) Rear (x24) 268mm, Aero, Straight pull 270/282mm, Aero, Straight pull Nipples 14mm C-55 Rim Size (ETRTO) Width - Height 622x17C 25,5x55mm Hubs Front O.L.D. Rear O.L.D. 100mm 130mm Type compatibility Clicher Tyre Size compatibility 700x23C (or larger) Recommended size 700x25C Spokes Front (x20) Rear (x24) 252mm, Aero, Straight pull 254/266mm, Aero, Straight pull Nipples 14mm 17

C-88 Rim Hubs Tyre Spokes Nipples Size (ETRTO) Width - Height Front O.L.D. Rear O.L.D. Type compatibility Size compatibility Recommended size Front (x20) Rear (x24) 14mm 622x17C 25,5x88mm 100mm 130mm Clicher 700x23C (or larger) 700x25C 218mm, Aero, Straight pull 220/233mm, Aero, Straight pull C-50 Rim Hubs Tyre Spokes Nipples Size (ETRTO) Width - Height Front O.L.D. Rear O.L.D. Type compatibility Size compatibility Recommended size Front (x20) Rear (x24) 16mm 622x19C 24,5x50mm 100mm 130mm Clicher 700x25C (or larger) 700x25C 287mm, Aero, Straight pull 287/300mm, Aero, Straight pull 18

T-38 Rim Size (STRTO) 633x25,5 Width - Height 25,5x38mm Hubs Tyre Spokes Nipples Front O.L.D. Rear O.L.D. Type compatibility Size compatibility Recommended size Front (x20) Rear (x24) 14mm 100mm 130mm Tubular 700x22 (or larger) 700x25 268mm, Aero, Straight pull 270/282mm, Aero, Straight pull T-55 Rim Size (ETRTO) 633x25,5 Width - Height 25,5x55mm Hubs Tyre Spokes Nipples Front O.L.D. Rear O.L.D. Type compatibility Size compatibility Recommended size Front (x20) Rear (x24) 14mm 100mm 130mm Tubular 700x22 (or larger) 700x25 252mm, Aero, Straight pull 254/266mm, Aero, Straight pull 19

T-88 Rim Size (STRTO) 633x25,5 Width - Height 25,5x88mm Hubs Tyre Spokes Nipples Front O.L.D. Rear O.L.D. Type compatibility Size compatibility Recommended size Front (x20) Rear (x24) 14mm 100mm 130mm Tubular 700x22 (or larger) 700x25 218mm, Aero, Straight pull 220/233mm, Aero, Straight pull W-GEAR Rim Size (STRTO) Width - Height 633x21 21mm Hubs Rear O.L.D. 130mm Tyre Type compatibility Size compatibility Recommended size Tubular 700x22 (or larger) 700x25 20

C - 3 8 C - 5 5 C - 8 8 C - 5 0 21

T - 3 8 T - 5 5 T - 8 8 W - G E A R 22

CONTACTS For any question or technical information please contact KRU by visiting the website at http://krucycling.com/ or writing to the email address info@krucycling.com Kru reserves the right to modify without notice the content of this manual always guaranteeing the availability of the updated versions on the website download area. 23

Ver. 0 May 2016 KRU CYCLING info@krucycling.com krucycling.com 24