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Yuma – Kidsfully in 24″ and 26″

The Yuma is a juvenile gravity bike, which is especially tailored to the characteristics and needs of riders with a body height taller than 1.35m and the respective low body weight. Delivered with 24″ wheels, the Yuma can be converted to 26″ wheels using the “Grown Up” kit, which is available separately.



Fork Manitou Machete 140 mm
Rear shock Rock Shox Deluxe R 145 mm
Brake front Formula Cura 203 mm
Brake rear Formula Cura 180 mm
Saddle 1st Ride Enduro
Seatpost Sixpack Menace
Wheels 1st Ride Enduro 24″
Cranks 1st Ride 155 mm
Rear derailleur Sram GX (1×11)
Shifter Sram GX (1×11)
Cassette Sram XG1150
Handlebar 1st Ride 680
Stem 1st Ride 40
Tires Vittoria Goma 24″
Weight 13,0 kg
Price € 1.799

Frame size

The frame size is an essential part of the bike performance and above all of the riding fun. Select your required frame size from the table. If you stand between two sizes, then you only have to decide whether you like it playful or smooth running. For smooth running choose the larger frame size, for playful the smaller.

Shock length 185 mm
Shock travel 55 mm
Shock mount Top: Trunnion / Bottom: 8 x 25 mm
Rear wheel travel 145 mm
Bottom Bracket BSA 73 mm
Brake mount Postmount 160
Seatpost diameter 31,6 mm
Headset (S.H.I.S.) Tapered – Top: IS42 / Bottom: IS52
Rear wheel axle 148 mm x 12 mm (X12)
Front deraillure none
Chainline 52 mm (Boost)
Chainguide mount ISCG 05
Wheelsize 24″, 26″
Maximum fork travel 150 mm
Frame weight 2,8 kg
26″ 24″
Frame size (A) 352 mm / 14″ 352 mm / 14″
Wheelbase (M) 1.104 mm 1.092 mm
Top tube length (G) 529 mm 529 mm
Fork offset (B) 42 mm 42 mm
Fork length (C) 520 mm 520 mm
Chainstay length (L) 420 mm 408 mm
Reach (E) 380 mm 380 mm
Stack (F) 553 mm 553 mm
Head angle (J) 65,0° 65,0°
Seat angle – actual (H) 73,5° 73,5°°
Seat angle – effective (I) 75,0° 75,0°
BB offset (K) 3 mm 3 mm