The Burgtec 104MM BCD Outside Fit E-Bike Steel Thick Thin Chainring is the perfect, steel, e-bike thick thin chainring for maximum chain retention and durability.Burgtec 104MM BCD Outside Fit E-Bike Steel Thick Thin Chainring FeaturesNote: Fits all e-bikes...
Does a mechanical advantage of increased gearing sound Interesting? If so read on. Through research and testing of many different prototypes with varying amounts of Ovality we found 115% from the top centre to be the optimum. This shrank the dead spot...
Shimano Direct Mount thick thin chainring for maximum chain retention.Fits M7100 M8100 M9100 cranksets.Tried and tested in MTB heaven the Peak District.Keeps your chain on in the roughest of conditions.