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Specialized® Riprock 20

Stock number: 65318
Family: Kids
Condition: New
Year: 2021
Color: Satin Marine Blue/plum Purple/acid Lava


Specialized® Riprock 20


Traction, control, confidence, and fun—the Riprock 20 is the perfect bike for your kid to start hitting the trails.

While there are many notable features that make the Riprock awesome, it's the 2.8-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, mechanical disc brakes, and seven-speed shifting, you have the perfect mountain bike to get your little Ripper out on the path to a lifetime of fun rides.

  • Custom SR Suntour XCT fork features a sturdy construction and a coil spring that delivers 60mm of bump absorbing travel.
  • The 2.8-inch Big Roller tires not only ensure exceptional traction, but also offer greater ride quality, stability, and loads of fun.
  • 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.


Frame: Specialized A1 Premium Aluminum, single-butted, ZeroStack head tube, 135mm rear hub spacing, forged dropouts, replaceable derailleur hanger
Seat Binder: Bolt-type, 31.8mm
Fork: SR Suntour XCT, coil spring, preload adjust, 60mm of travel
Handlebars: Double-butted alloy, 5-degree backsweep, 25.4mm
Stem: 3D-forged alloy, 4-bolt, 6-degree rise, 25.4mm clamp, 60mm
Saddle: Specialized Kids' Henge
Seatpost: Alloy, single-bolt, 27.2MM
Grips: Specialized, slip-on
Front Brake: Mechanical disc, organic pads, 6-bolt, tool-less reach adjust, 160mm
Rear Brake: Mechanical disc, organic pads, 6-bolt, tool-less reach adjust, 160mm
Shift Levers: Shimano Tourney, Revo 7-speed
Rear Derailleur: Shimano Tourney RD-TX800, 8-speed
Cassette: SunRace, 7-Speed, 11-34t
Crankset: Forged alloy, 127mm
Chainrings: Steel, 30T
Chain: KMC Z51 EPT, anti-rust coating, 7-speed
Rims: 24", double-wall aluminum
Front Hub: Alloy, 6-bolt disc, 110mm spacing, loose ball bearings, QR, 32h
Rear Hub: Alloy, 6-bolt disc, 135mm spacing, 7-speed freehub, loose ball bearings, QR, 28h
Spokes: Stainless, 14g
Front Tire: Big Roller, 60 TPI, wire bead, 20x2.8"
Rear Tire: Big Roller, 60 TPI, wire bead, 20x2.8"
Inner Tubes: Schrader valve
Pedals: Nylon platform w/ reflectors


Seat Tube Length, Center to Top 279
Top Tube Length, Horizontal 465
BB Drop 37.5
BB Height 237
Chainstay Length 390
Seat Tube Angle 73
Head Tube Angle 69
Rake 40
Wheelbase 909.5
Standover Height 528
Head Tube Length 115
Reach 306
Crank Length 127mm
Handlebar Width 580mm
Stem Length 60mm
Saddle Width 135mm
Seatpost Length 300mm

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