Traction, control, confidence, and fun—the Specialized Riprock 20 Coaster kid's bike is the perfect bike for your kid to start hitting the trails with. With the simple coaster brake design, safety and fun aren't mutually exclusive anymore.

While there are many notable features that make the Specialized Riprock 20 kid's bike awesome, it's the 2.3-inch tires that provide a high degree of, well, shred-ability—delivering exceptional traction, control, and confidence for riding rough, off-road sections and city streets alike. And when you combine the big tires with sturdy 20-inch wheels, an easy-to-use coaster brake that all but eliminates the threat of the dreaded endo, and a single-speed setup, you have the perfect mountain bike to get your little Ripper out on the trail.

Technical Specifications

• Frame - 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
• Grips - Specialized, slip-on
• Saddle - Specialized Kids' Henge
• Seatpost - Steel, 25.4mm
• Rear Brake - V-brake with 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 - Steel, loose ball bearings
• 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, 14 grams
• Front Tire - Rhythm Lite, 30 TPI, wire bead, 20x2.3"
• Rear Tire - Rhythm Lite, 30 TPI, wire bead, 20x2.3"
• Inner Tubes - Schrader valve
• Pedals - Nylon platform w/ reflectors
• *Specifications are subject to change without notice