Product Description Shimano M6 x 18.7 adapter bolt for brake calipers - supplied with stop ring The Shimano adapter bolt with M6 x 18.7 mm thread is used on most Shimano post mount brake calipers or brake adapters that work with a snap or stop ring. This is also included in the scope of delivery. The bolt cannot be used for XTR brakes and the Road brake caliper BR-RS785. Technical Information:Threads:M6 x 18.7Compatibility:all post mount brakes except XTR and BR-RS785Manufacturer Number:Y-8DS98010 Contents:1 x Shimano bolt1 x snap ring Manufacturer: Shimano Europe B.V. High Tech Campus 92 5656 AG Eindhoven Netherlands info@shimano-eu.com