Change your chainring quickly and easily. Say goodbye to the hassle of dealing with chainring nuts. With BoltGrip, you can securely hold the nuts in position, making it a breeze to tighten the bolts from the front. It's compatible with both Shimano and Campagnolo. Features: - Chainring nut wrench. - For easy mounting of the chainring nuts. -Compatible with Shimano and Campagnolo chainring nuts. Part Number: 2977453202 Barcode: 8716683046557 Product Code: BBB BTL-32.LRelease Year: 2020