Rocky Mountain Kids Reaper 20 Bike 2026 Red / Blue / Black

The Rocky Mountain Kids Reaper 20 Bike brings a FORM Alloy frame with 120mm front and rear travel, paired with a Manitou J Unit Comp fork and RockShox Deluxe Select shock. MicroShift Advent 9spd shifting, Tektro HD J2820 brakes, and Kenda Regolith 20 by 2.4 tires come together for control across mixed terrain.

Key Features

• Front Travel: 120mm
• Rear Travel: 120mm
• Wheel Size: 20 inch
• Tire Size: 20 x 2.4
• Stem Rise: 5°
• Handlebar Width: 600mm
• Handlebar Rise: 25mm
• Handlebar Backsweep: 9°
• Handlebar Upsweep: 5°
• Crank Length: 127mm
• Chainring: 28T
• Cassette: 11 to 36T
• Seatpost Diameter: 30.9mm
• Seatpost Travel: 80mm
• Frame & Suspension: FORM Alloy frame with full sealed cartridge bearings, press fit bottom bracket, internal cable routing, 2 Bolt ISCG05 tabs, and 120mm rear travel linkage
• Fork & Shock: Manitou J Unit Comp 120mm fork with TPC damper and RockShox Deluxe Select shock with sealed bearing eyelet
• Drivetrain & Brakes: MicroShift Advent Super Short 9spd derailleur with clutch, SunRace CSM98 cassette 11 to 36T, KMC X9 chain, Tektro HD J2820 brakes with Shimano pad compatibility
• Wheels & Tires: Shimano TC500 hubs with 15mm Boost front and 148mm Boost rear spacing, 2.0 stainless spokes, WTB KOM Team i25 TCS 2.0 rims 28H, Kenda Regolith 20 x 2.4 tires
• Cockpit & Controls: Rocky Mountain Junior handlebar 600mm width with 25mm rise, 9° backsweep and 5° upsweep, SGD Slater JR lock on grips, Rocky Mountain 31.8 AM stem 40mm length with 5° rise
• Fit & Contact: FSA Orbit NO.57B headset with 36° x 45° bearings and size specific upper and lower assemblies, X Fusion Manic Composite 30.9mm seatpost with 80mm travel, Rocky Mountain Kids saddle