• Frame material
  • Wheel size
    24" / 26"
  • Travel front
  • Travel rear

The Yuma is a juvenile gravity bike, which is especially tailored to the characteristics and needs of riders with a body height taller than 1.30m 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.

Build Kits


  • Fork: Manitou Machete 140mm
  • Shock: RockShox Deluxe R 145mm
  • Front Brake: SRAM Guide T 203mm
  • Rear Brake: SRAM Guide T 180mm
  • Saddle: 1st Ride Enduro
  • Seatpost: Propain Seatpost
  • Wheels: 1st Ride Enduro 24″
  • Crank: 1st Ride 155mm
  • Derailleur: SRAM GX Eagle (1×11)
  • Trigger: SRAM GX Eagle (1×11)
  • Casette: SRAM XG1150
  • Handlebar: 1st Ride 680
  • Stem: 1st Ride 40
  • Tires: VEE Flow SNAP 24″
  • Weight: 28.66 lbs (13,0 kg)

Frame Sizes

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.

Technical Data

Shock length 185 mm
Shock travel55 mm
Shock mountTop: Trunnion / Bottom: 8 x 25 mm
Rear wheel travel145 mm
Bottom bracket BSA73 mm
Brake mountPostmount 160
Seatpost diameter31,6 mm
Headset (S.H.I.S)Tapered - Top: IS42 / Bottom: IS52
Rear wheel axle148 mm x 12 mm (X12)
Front derailleurnone
Chainline52 mm (Boost)
Chainguide mountISCG 05
Wheel size24", 26"
Maximum fork travel150 mm
Frame weight2,8 kg


Frame height (A)352 mm / 14"352 mm / 14"
Wheelbase (M)1.092 mm1.104 mm
Top tube length (G)529 mm529 mm
Fork offset (B)42 mm42 mm
Fork length (C)520 mm520 mm
Chainstay length (L)408 mm420 mm
Reach (E)380 mm380 mm
Stack (F)553 mm553 mm
Head angle (J)65°65°
Seat angle - real (H)73,5°73,5°
Seat angle - effective (I)75°75°
BB offset (K)3 mm3 mm