BMX Bikes. Matt Sims. High Noon Books Novato, California

Transcription

1 BMX Bikes Matt Sims High Noon Books Novato, California

2 Contents Two Wheels...1 A New Kind of Bike...6 What You Need...11 Wheelies and Hops...15 Bike Safe...20 Catch Air!...23

3 Two Wheels In 1817 a man named Von Drais had a great thought. He made a bike with two wheels. It was made from wood. All it had was a seat. The bike was fine for downhill glides. 1

4 In 1865, a foot crank was added. This bike was called a bone shaker. Riding on stone streets was not a smooth trip. In 1870, the high wheel bike was made. A high wheel with three wheels was made for girls in long skirts. Soon brakes were 2

5 In 1870, the high wheel bike was made. 3

6 added to bikes. Steering pitfalls were fixed. By the 1890s, bikes had two wheels of the same size. There was a chain drive on the rear wheel. After these changes, bikes were safer. They became a smart way to get from place to place. Then some grown-ups 4

7 started driving cars. More bikes were made for kids. Bikes in the 1920s looked slick and flashy. In the 1950s, bikes for kids and teens became sleeker. They weighed less. They looked more like today's bikes. 5

8 A New Kind of Bike In the 1960s, kids started building bikes. They made the bikes from spare frames and parts. These bikes were tricked out. They had ape hangers and low-rider seats. They were built to look a bit like 6

9 hot rods and choppers. Al Fritz worked for Schwinn bikes. He saw the bikes that kids were making. He made his own bike. The Sting-Ray was born. The Sting-Ray looked cool. The wheels could also be changed. The BMX bike comes from the Sting- Ray. 7

10 Y-shaped bars and grips help BMX bikes make tight turns and do tricks. The rear wheel has a swing arm and big shocks. When the back wheel hits a bump, it swings up and turns. The strong springs in the shocks move the wheel back into place. The wheels have thick 8

11 Kids ride hard, so BMX bikes need to be tough. 9

12 rims and strong spokes. Deep tire treads help grip the track. The front fork legs have shocks that help steer. The heart of the bike is its strong frame and welded joints. It has a lot of flex. The bike can take a beating on the track. 10

13 High Frequency Words a and are at be best but can could do for from go good had have help his in it like long look made new no not of off on out over own 27

14 put soon take that the their then they this to two up was were when will you 28

15 ! FALL 2007 Ordering Information You can order this and any other items: online at by phone to Alternatively, you can complete the order form below and: fax to: mail to: Silvereye Educational Publications, 67 Central Road, Avalon, NSW 2107 All prices include GST and are correct at time of publication. Freight We use couriers for deliveries to most Australian destinations. Deliveries to PO Boxes or remote destinations are by Australia Post. Most orders are delivered within 7-14 days or sooner. Australian Freight Rates Sydney area: $7.95 for orders up to 5kg $10.95 for orders over 5kg or large/ bulky items Rest of Australia (all States and Territories) $9.95 for orders up to 3kg $11.95 for orders up to 5kg larger orders charged based on weight and destination There is an additional $2.50 registered post charge for orders over $200 which are delivered by Australia Post. New Zealand Freight Rates Based on weight. For orders up to 3kg the cost is typically similar or lower than the freight cost within Australia. Our mission is to positively impact the education of children and youth; particularly those with special needs and students at risk of school failure; by providing educators, counsellors, other professionals and parents with practical, theoretically sound and affordable products and service. We provide books, games, cards, DVDs, assessment materials and other resources to assist with: Special Education Behaviour Learning Difficulties Language & Communication Reading & Writing Guidance & Counselling Social Development ORDER FORM QUANTITY CODE TITLE AMOUNT PURCHASER DETAILS NAME DATE SCHOOL/ORGANISATION ADDRESS SUBURB TELEPHONE POSTCODE FAX PAYMENT DETAILS PAYMENT METHOD (please tick one) CHEQUE CREDIT CARD INVOICE SCHOOL CARD NUMBER PURCHASE ORDER NUMBER (for school orders) EXPIRY DATE NAME ON CARD SIGNATURE Fax order to: or mail to: Silvereye Educational Publications, 67 Central Road, Avalon, NSW 2107