Shimano Acera Rear Quick Release for 135mm Hub Releases Quickly Quick releases can sometimes disappear or get misplaced. Luckily, they can be easily replaced. The Shimano Acera Rear Quick Release is designed for 135mm rear hubs and has a skewer length of 170mm. It might not be great for making kebabs, but it'll be great for keeping your rear wheel in place. Features Designed for 135mm rear hubs Skewer length: 170mm Shimano part number: Y31U98020 | Shimano | Acera Rear Quick Release For 135Mm Hub Skewer Length 170Mm | Aluminum