The perfect, steel, e-bike thick thin chainring for maximum chain retention and durability.

Note: Fits all e-bikes with a Shimano motor. For non-Shimano e-bikes please use the BurgtecE-Bike Specific Inside Fit chainring. 4 arm adapter (spider) is required. (see below for more details). Bolt holes are threaded, 8mm x 0.75mm x 8mm Long chainring bolts are required and included.

4 arm adapter (Spider) Compatibility:

53mm chainline (Boost 148) – Y1VY00020

50mm chainline – Y1VY00010

56.5mm chainline (Super boost 157) – Y0KJ00020