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Traction, control, confidence, and fun—the Riprock 20 Coaster is the perfect bike for your kid to start hitting the trails with. And with the simple coaster brake design, safety and fun aren't mutually exclusive anymore.
Available in store
CloseFrame
Specialized A1 Premium Aluminum
Fork
Hi-Ten steel
Seat Binder
Bolt-type, 28.6mm
Stem
Die Cast Aluminum, 37mm length, 10 degree, 22.2 clamp diameter
Handlebars
BMX, steel, 10-degree backsweep, 4-degree upsweep, 130mm rise, 560mm width, 22.2mm
Grips
Specialized, slip-on
Saddle
Specialized Kids' Henge
SeatPost
Steel, 25.4mm
Rear Brake
V-brake w/ tool-less reach adjust brake lever
Chain
KMC Z510, single-speed, anti-drop, 1/2"x1/8"
Crankset
Hi-Ten steel, 114mm
Chainrings
Steel, 36T
Bottom Bracket
Feimin FP-B701, 68MM
Pedals
Nylon platform w/ reflectors
Rims
20" alloy, 16mm depth, 21mm internal width
Front Hub
Steel, bolt-on, 100mm spacing, loose ball bearings, 36h
Rear Hub
Coaster brake, bolt-on, loose ball bearings, 110mm spacing, 18T cog, 36h
Spokes
Stainless, 14g
Front Tire
Rhythm Lite, 30 TPI, wire bead, 20x2.3"
Rear Tire
Rhythm Lite, 30 TPI, wire bead, 20x2.3"
Inner Tubes
Schrader valve
* Specifications are subject to change without notice