High-quality Pressfit bearing shells. Easy and safe to install. Due to the larger bearing diameters, longer durability is ensured. The Pressfit 91 bearing shells (bottom bracket shell 84.5x42mm) can only be installed on BB30 MTB frames with the designated oversize bottom bracket shells. All Shimano cranks with an integrated 24mm bearing axle (Hollowtech II standard) can be used.
Note:The scope of delivery is limited to the bearing shellswithoutinner housing with 2.5mm spacer. Case width: 84.5mm
