Clean K1 26" Trials Bike Short Edition 2025
Clean K1 26" Charlie Rolls Edition represents the forefront of 26” trials bikes.
Born from a collaboration with British rider Charlie Rolls, this Short Edition redefines control, agility, and precision on the bike.
With a carbon frame and fork, exclusive geometry, and top-tier components, it's the first short wheelbase carbon trials bike produced in series—built for riders who demand uncompromising performance.
Frame and fork
- Frame: Clean K1 26” short edition 2025, made of high-modulus carbon fibre, tapered 1 1/8” – 1.5”, with 4-bolt rim brake mounts.
- Forks: Clean K1 26”, made of high-modulus carbon fibre, tapered 1 1/8” – 1.5”, with 4-bolt rim brake mounts.
Wheels
- Front hub: Clean X3 HS, 12 mm through-axle, 28 spoke holes, without rotor mounts, 104 mm spacing, anodized black.
- Rear hub: Clean E.series rear freehub, 12 mm through-axle and rotor mounts, 120 mm spacing, Shimano HG splines.
- Rear hub: Clean X3, 12 mm through-axle, 32 spoke holes, without rotor mounts, 120 mm spacing, anodized black.
- Chain tensioner: Clean X2 integrated, with two 10T aluminium jockey wheels.
- Front rim: Clean Trials PRO 26”, single wall, 34 mm wide, 28 spoke holes, anodized black.
- Rear rim: Clean Trials PRO 26”, single wall, 49 mm wide, 32 spoke holes, anodized black.
- Spokes: Aero Ultra light spokes, black
- Rim tape: Clean 26".
- Front inner tube: Clean 26".
- Rear inner tube: Clean 26".
- Front tyre: Clean Koala, 26" x 2.0".
- Rear tyre: Clean Koala, 26" x 2.5".
Brakes
- Front brake: Trialtech Sport rim brakes, with Magura HS slave cyclinder.
- Rear brake: Trialtech Sport rim brakes, with Magura HS slave cyclinder.
- Rim brake pads: Magura, black.
- Brake clamps: Clean X2 Washerless.
Drivetrain
- Crankset: Clean X2 3-piece set, with Press Fit BB30 30 mm diameter BB axle, CNC machine, new adjustment system, 165 mm long cranks, for Cassette Shimano HG-type freewheel
- Freewheel: Clean Splined Sprocket For BB30, 18 teeth, black.
- Chain: KMC Z1 EHX Narrow, silver.
- Rear sprocket: Clean 15T Shimano HG splined, anodized black.
- Pedals: Clean single cage, made from 7075-T6 aluminium alloy, anodized black.
- Bashring: Clean BB30 3P Bashring, anodized red.
Steering
- Headset: Clean Internal Tapered 1 1/8”-1.5” (without cups), sealed bearings, anodized red.
- Stem: Clean Trials Pro 145 mm x 24°, 31.8 mm Oversized handlebar diameter or Combo carbon.
- Grips: Clean Trials Bar Tape, black
- Handlebar: Clean X2 107 mm carbon fibre, 730 mm long, 31.8 mm Oversized handlebar diameter, silver finish
- Grips: Clean foam, black.
Geometry
(1) Wheelbase: 1065 mm
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(2) Rear End: 378 mm
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(3) Bottom Bracket Height: +71.3 mm.
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(4) Head Angle: 72°.
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(5) Centre of BB shell to centre top of head tube:
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(6) Reach:
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(7) Stack:
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Weight
- 7.778 Kg, verified by TrialBikes!
Additional information:
- The list of components may change. Any change on the components will be communicated to the customer before delivery, ensuring the component replaces is of the same or higher quality than listed.
- Some pictures may not match the item described, so please read the description carefully.
- This bike is partially set up by our workshop, so the customer will only have to set both the front wheel and the headset up.
- If you have any doubts, please contact to info@trial-bikes.com.
✔ INTERNATIONAL EXPRESS SHIPPING
» Dispatched within 24 hours to anywhere in the world.
» 100% secure payment and personalised support before and after your purchase.
» 90% pre-assembled bike: just install the front wheel and cockpit.
“The geometry on this bike is simply insane. Light, responsive and perfect for high-level riding.” – Charlie Rolls
