BBB Bcr 55s Chainringbolts Torxstars 10 Speed Shim Slv FREE shipping within Australia over AU$200.00 In stock. Available via Click and Collect or Buy Online Share Loading Facebook Like button... BBB Bcr 55s Chainringbolts Torxstars 10 Speed Shim Slv FREE shipping within Australia over AU$200.00 In stock. Available via Click and Collect or Buy Online Share Loading Facebook Like button...