chain /bicycle chain/single chain /gear shift chain
bicycle chain/single speed chain /gear shift speed chain, 1.good quality, 2.good price - details see: https://www.vehicleto.com/chain-bicycle-chain-single-chain-gear-shift-chain-10014020
bicycle chain/single speed chain /gear shift speed chain
1.good quality
2.good price
3.single speed chain:1/2"*1/8"
4.gear shift speed chain:1/2"*3/32"