Single Disc Bike Chain Stabilizer BB Mid Lock Cycling Accessory

The chain is one good accessory, ensures that chain does not drop and to extend the life of the chain. 7075 CNC aluminium alloy, and sturdy, and service life. Support range, round disc 3040T tooth plate, oval disc 3038T. Condition: 100 Brand New Item Type: Bike Chain Model: ISCG 05 Material: 7075 Aluminium Alloy Optional Color: Black, Red Support Range: Round Disc 30-40T Tooth Plate, Oval Disc 30-38T Weight: Approx. 40g