Clean Chain Tensioner Insert
This is the aluminium insert which is mounted on the Clean K1/K1.2 and current X1 frames to fix the chain tensioner.
Bolts are not part of suply!
Necessary are one M4x12 countersunk bolt to fix the insert and one M5x14 hexagon bolt with locking nut to fix the chain tensioner.
Weight 11,3g + bolts 5,6g (steel)