Marin Rift Zone Jr

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Kids' Full-Suspension Trail Bike · 24" (upgradeable to 26") Marin's most dialed kids' bike yet — a genuine mini-trail bike, not a toy. Same 130mm rear travel and Series 3 aluminum frame as the "grown-up" Rift Zone, with MultiTrac suspension, Boost 148x12mm thru-axle, UDH compatibility, ISCG05 tabs, and modern adult trail geometry (65.5° head angle, 76° seat angle, 425mm chainstays). Built with X-Fusion Velvet RLC air fork (fully tunable for light riders), X-Fusion O2 Pro R shock, Tektro 1x11 drivetrain, hydraulic disc brakes, and a 100mm dropper. Best part: swap to 26" wheels and longer cranks when your kid grows — the bike grows with them for multiple buying cycles. At a Glance Frame: Series 3 6061 Aluminum, 24" Wheels (fits up to 26"), 130mm Rear Travel, MultiTrac Suspension Platform, 148x12mm Boost Thru-Axle, 73mm Threaded BB w/ ISCG05 Tabs, Internal Routing (incl. dropper), UDH compatible Fork: X-Fusion Velvet RLC 26", 130mm Travel, Compression & Rebound Adjustment, 100x15mm Thru-Axle Shock: X-Fusion O2 Pro R, 190x45mm, Custom Tune Drivetrain: 1x11 Shimano/Tektro wide-range Brakes: Hydraulic Disc Full Specifications Frame Series 3 6061 Aluminum, 24" Wheels (fits up to 26"), 130mm Rear Travel, MultiTrac Suspension Platform, 148x12mm Boost Thru-Axle, 73mm Threaded BB w/ ISCG05 Tabs, Internal Routing (incl. dropper), UDH compatible Fork X-Fusion Velvet RLC 26", 130mm Travel, Compression & Rebound Adjustment, 100x15mm Thru-Axle Shock X-Fusion O2 Pro R, 190x45mm, Custom Tune Drivetrain 1x11 Shimano/Tektro wide-range Brakes Hydraulic Disc Rims Marin Double Wall Alloy, 27mm Inner, Pinned Joint, Disc Specific Hubs Forged Alloy, 141mm, Quad Sealed Bearings, Centerlock, 32H Dropper Post 100mm, internally routed Geometry 65.5° HTA, 76° STA, 425mm chainstays, 380mm reach Grows with rider Swap to 26" wheels + longer cranks as kid gets taller Show more