54 Teeth To Suit 42 Chainring - 11S R1230554 2017 FREE shipping within Australia over AU$100.00 In stock. Available via Buy Online Only Share Loading Facebook Like button... 54 Teeth To Suit 42 Chainring - 11S R1230554 2017 FREE shipping within Australia over AU$100.00 In stock. Available via Buy Online Only Share Loading Facebook Like button...