Description
The Clean K1 26″ Short Edition represents the pinnacle of modern trial engineering — a result of a unique collaboration with Charlie Rolls, one of the sport’s most influential riders. This limited-edition bike blends cutting-edge carbon technology, refined geometry, and elite performance for riders who demand absolute precision and agility.
Designed for maximum responsiveness, the “Short Edition” geometry delivers unmatched control on technical lines, while the lightweight carbon frame ensures explosive performance on every obstacle. The Clean K1 26″ Short Edition is the world’s first short-series 26″ carbon trial bike — and it’s built to conquer any challenge.
Key Features & Specifications
Frame & Fork
- Frame: Clean K1 26″ 2026 carbon fiber, optimized for trials
- Fork: Clean K1 Carbon 26″ (tapered 1 1/8″–1.5″), carbon construction, HS brake only
Wheels
- Front Hub: Clean X3 – 28 spokes, 12 mm thru-axle, 100 mm width
- Rear Hub: Clean E.Series freehub – 32 spokes, 12 mm thru-axle, 120 mm width, Shimano HG compatible
- Front Rim: Clean Pro 26″ – 35 mm wide, lightweight single-wall “H” design
- Rear Rim: Clean Pro 26″ – 40 mm wide, lightweight single-wall “H” design
- Tires: Clean Koala Trial 26″ – Front 2.00 / Rear 2.6
Brakes
- Brake System: New Clean 2026 brakes with Magura HS pistons, featuring a new lever and new pistons
- Mounts: Clean
Drivetrain
- Cranks & BB: Clean BB30 Press-Fit system with 30 mm spindle, 165 mm CNC-machined cranks, black anodized
- Chainring: Clean 18T narrow-wide, 7075-T6 aluminum, black anodized
- Pedals: Clean Mono-Cage 7075-T6, black anodized
Cockpit
- Handlebar: Clean Carbon 107, new color
- Stem: Clean Pro 20° Super Light, 145 mm, with removable top cap
- Grips: Black roll tape
- Headset: Clean integrated
Geometry
- Wheelbase: 1065 mm
- Chainstay Length: 378 mm
- BB Height: +71.3 mm
- Head Angle: 72°
Finish
- Color: Gloss black “raw finish” with black graphics







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