The Burgtec Shimano Direct Mount Thick Thin Chainring provides maximum chain retention.Burgtec Shimano Direct Mount Thick Thin Chainring FeaturesFits; M6100, M7100, M8100, M9100 cranksets.Tried and tested in MTB heaven, the Peak District.Keeps your chain on in the roughest of conditions.
Best Price: £49.99 from Leisure Lakes Bikes