Specialized’s 2019 Riprock 20 2 is a modest component level aluminum frame coaster bike.
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1 × 7 — 7 speed
The 2019 Riprock 20 2 is easier to ride up hills than similar bikes.
The 2019 Riprock 20 2 won‘t keep up with similar bikes while riding downhill or sprinting.
Roll over table below to highlight frame dimensions.
|Frame||Specialized A1 Premium Aluminum, single-butted, ZeroStack head tube, 135mm rear hub spacing, forged dropouts, replaceable derailleur hanger|
|Fork||SR Suntour XCT, coil spring, preload adjust, 60mm of travel|
|Bottom Bracket||BSA, square taper|
|Stem||3D-forged alloy, 4-bolt, 6-degree rise, 25.4mm clamp, 60mm|
|Handlebar||580mm, 5-degree backsweep, 25.4mm|
|Saddle||Specialized Kids' Henge|
|Pedals||Nylon platform w/ reflectors|
|Rear Derailleur||Shimano Tourney TX, 7-speed|
|Shifters||Shimano Tourney, Revo 7-speed|
|Crank||Forged alloy, 127mm, Steel, 30T|
|Cassette||SunRace, 7-Speed, 11-34t|
|Chain||KMC Z51 EPT, anti-rust coating, 7-speed|
|Brakes||Mechanical disc, organic pads, 6-bolt, tool-less reach adjust, 160mm|
|Rims||20", 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|
|Tires||Big Roller, 60 TPI, wire bead, 20x2.8"|