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Blackspire Stinger E-Type Chain TensionerMachined aluminum arm attaches to BB, ISCG, or ISCG '05 mount. Guide roller with cartridge bearing for single chainring setup.
Blackspire Stinger Chain TensionerThe Blackspire Stinger is a versatile chain tensioner which converts to a single ring chain guide when combined with a Blackspire Blackguard inner plate for amazing function...
Surly Singleator Single Speed Chain Tensioneridwest single-speed legend Pete Geigle developed the 1x1 Singleator so you single-speed virgins could taste the pure mountain biking experience without spending too much cash.Installing...