Compatible Bike TypeTandem Bike, Touring Bike, Hybrid Bike, Cyclocross Bike, Road Bike, Dirt Jumper, Mountain Bike, Universal, Electric Bike, Trekking Bike, Racing Bike
Spacer is not same size as original Shimano Hollowtech II spacers. It works but it is little bit bigger than original. After tightening things up, it doesn't matter.