Tourney FC-TY301 170mm 6/7/8SP 42X34X24T black
The Shimano TY301 system is designed for MTB XC bikes. Non-replaceable stars. Includes plastic protection.
Carriage: square, recommended BB-UN100 or BB-UN100-K
Recommended chain: HG/UG for 8/7/6 speed
Without packaging.