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Product Description:
Same straight forward design as the Viper, but with a low-profile frame for smaller riders. The Jr. Viper is the perfect first 20”-wheeled BMX bike.
Amazon.com Product Description:
Give your child the gift of BMX racing performance without breaking the bank with the Diamondback Jr. Viper 20-inch BMX bike. The Jr. Viper is built using the same straightforward design as the full-size Diamondback Viper, but in a lower-profile frame designed for smaller riders. The Jr. Viper is equipped with such high-quality features as a heavy-duty steel frame and fork, 36-spoke aluminum wheels, a padded seat, rush alloy linear pull and coaster brakes, and DB "icon" grips with bar ends. The Jr. Viper is an ideal 20-inch wheeled BMX bike for beginners.

Specifications:

• Geometry: 74-degree head tube, 70-degree seat tube, 19.5-inch top tube, and 14.5-inch chain stay
• Frame: Hi-Ten steel
• Fork: Hi-Ten steel
• Headset: FSA 1-inch threadless
• Handlebar: Hi-Ten steel 2-piece, 25 inches wide by 6.75-inch rise
• Grips: DB icon with flange, plastic bar end caps
• Stem: 4-bolt alloy top load
• Brakes: Rush linear
• Brake levers: Rush Rx 2.1
• Cranks: 165mm steel, 1-piece
• Sprocket: 44t steel
• BB: Loose ball
• Pedals: Resin platform
• Rims: 36H aluminum, 30mm wide, anodized black
• Hubs: 36H steel shell with 3/8-inch axle (front and rear)
• Chain: KMC Z410, 1/2 by 1/8
• Freewheel: 16t
• Tires: Comp III style, 20 x 1.25 (front), 1.75 (rear)
• Spokes: 14g
• Seat: DB BMX padded
• Seatpost: Steel pillar

Manufacturer's Warranty
Lifetime on the frame, 5 years on the fork, 1 year on components, 1 year on labor for the frame, 30 days on labor for parts