Specialized Riprock Coaster 20 Bike 2025 - Youth

The A1 premium aluminum frame is lightweight and built to withstand the tough use by kids, while the geometry features an ultra-low standover that makes it easy for your little ones to fit on and grow with the bike.
Steel coaster brake is a reliable, easy to use brake perfect for safe stops and awesome skids.
20x2.3" Rhythm Lite tires deliver tons of traction, comfort, stability, and fun over all types of terrain

Frameset
- Frame
  Specialized A1 Premium Aluminum
- Seat Binder
  Bolt-type, 28.6mm
Suspension
- Fork
  Hi-Ten steel
Brakes
- Rear Brake
  V-brake with tool-less reach adjust brake lever
Drivetrain
- Pedals
  Nylon platform with reflectors
- Chain
  KMC Z510, single-speed, anti-drop, 1/2"x1/8"
- Chainrings
  Steel, 36T
- Crankset
  Hi-Ten steel, 114mm
- Bottom Bracket
  Feimin FP-B701, 68MM
Wheels & Tires
- 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
- Front Tire
  Rhythm Lite, 30 TPI, wire bead, 20x2.3"
- Rear Tire
  Rhythm Lite, 30 TPI, wire bead, 20x2.3"
- Inner Tubes
  Schrader valve
- Spokes
  Stainless, 14g
Cockpit
- Handlebars
  BMX, steel, 10-degree backsweep, 4-degree upsweep, 130mm rise, 560mm width, 22.2mm
- Stem
  Die Cast Aluminum, 37mm length, 10 degree, 22.2 clamp diameter
- Grips
  Specialized, slip-on
- Saddle
  Specialized Kids' Henge
- Seat Post
  Steel, 25.4mm

Riprock Coaster 20 Bike 2025 - Youth