The ultimate solution for Shimano and other 64/104BCD cranks. If you have ever thought about running 1x9/10/11 and wondered how to solve chain retention, this is an answer. Its specially designed wide-narrow tooth profile keeps the chain really snug, allowing you to leave your chainkeeper in the garage. Always use a new chain with a new chainring
Size (Mass +/-1g):
64BCD: 26T (34g), 28T (40g), 30T (44g)
104BCD: 32T(33g), 34T(40g), 36T(47g), 38T (60g)
Please note: even if your size is out of stock, please place your order and we'll still deliver to you within 7 working days. If there are going to be any delays, we'll get in touch asap.