Alloy Chain Ring Bolts 8.5Mm Red Review Posted by GiantPandaisy June 16, 2018 in Drivetrain Components This fits your . Make sure this fits by entering your model number. ALLOY CR BOLTS 8.5MM RED 8.5MM X 4MM ALLOY CR BOLTS 8.5MM RED 8.5MM X 4MM Cycling Insight Outdoor Recreation Parts & Components Sports & Outdoors