The all new Chain Torsion-er from JaF Bikes.
 
Utilising an all new Torsion spring design, this chain tensioner removes issues of old with a simple, maintenance free design.
 
Fully 3D printed construction with ease of use in mind.
 
2 variants available, one solely for use with the Clean 'Tear' type insert (K/X/C frames) and one for the standard 10mm round fitting.
Details on both can be found on our Assembly Instructions Page.