Clean K1 X Anniversary 20" Frame

Clean K1 20" X Anniversary Frame

- Special 2025 edition of the legendary Clean K1 20” frame, celebrating the brand’s 10th anniversary.
- Updated design with integrated headset, eliminating the need for cups and compatible with tapered forks.
- Available in three exclusive finishes: black with orange graphics, red with silver graphics, and white with ochre graphics.

Description and materials
- Evolution of the Clean K1 frame, used by 2022 world champion Borja Conejos.
- Manufactured from high-modulus carbon fibre, featuring a matte black outer finish.
- New integrated headset design for a cleaner, more functional look without cups.
- Reinforced inserts for the mini bashplate mounts improve durability.
- 120 mm spaced dropouts, compatible with tru-axle or traditional rear hub using interchangeable inserts.
- Tapered 1 1/8” to 1.5” head tube, 120 mm long.
- Central bi-tube triangle design enhances frame stiffness.
- Left dropout includes Post Mount disc brake support, right dropout includes double jockey wheels tensioner mount.

Includes
- Inserts for 12 mm tru-axle and chain tensioner mount.
- Does not include headset, bashplate, chain tensioner, or other accessories.

Compatibility
- Tapered headset, compatible with 1 1/8” to 1.5” tapered forks. An adapter is needed for 1 1/8” straight forks.
- Compatible with bashplates with 39–40 mm bolt spacing front to rear and 43 mm lateral spacing.
- Requires Press Fit AS30 bottom bracket, such as the Clean X2.
- Rear brake mount is Post Mount disc only.
- Only compatible with double jockey wheels chain tensioners.
- 120 mm dropout spacing, compatible with tru-axle or traditional rear hub by changing the inserts, provided the hub has disc brake mounts.
- Fork steerer tube must extend at least 2 mm above the top bolt of the stem base.

Geometry (measured with a 370 mm x 40º fork)
- Rear dropout width: 120 mm
- Bottom bracket shell: 68 mm
- Head tube length: 120 mm

- Wheelbase: 1005 mm
- Bottom bracket/rear axle distance: 350 mm
- Bottom bracket height: +87 mm
- Head angle: 72.0º

Finish
- Matte black carbon.
- Clean K1 graphics in three options: black/orange, red/silver and white/ochre.

Weight
- 1060 g (verified by TrialBikes).