When Shimano released its new speed XTR group to the world last year , everyone was excited to have a competitive 1 X 12 drivetrain from the Japan-based component makers. For most weekend warriors and budget minded shredders, however, the flash and lightweight XTR components will never grace their bikes. The new XT cassettes come with 12 cogs in two configurations: a tooth and a You can choose between the wide range of the or the closer gear steps of the The XT gear ratios offer a tighter gear step on the last two cogs to help you shift into easier gears on hard steep climbs.
Shimano XTR M980 HollowTech II Bottom Bracket Cups
Wiggle | Shimano XTR M HollowTech II Bottom Bracket Cups | Bottom Brackets
This comprehensive guide tells you everything you need to know about bottom brackets — from a breakdown of all the bottom bracket systems available and their compatibility with one another to how a bottom bracket works and how to stop a bottom bracket creaking, this guide has it all. Below we rundown each of the major bottom bracket systems currently available, along with advantages, disadvantages, notes on compatibility, and some input from their proponents on why they exist. Other widths may be named according to shell dimensions: Wider overall shell is also claimed to improve bearing support. An older Pressfit 61x46mm BB appears to be obsolete. An older
The bottom bracket shell width is the width, in millimeters, of the frame where the bottom bracket is mounted. Bottom brackets must fit the frames interface type. For example, an english threaded bottom bracket can only be installed on a frame that accepts english threading. You are browsing an Industry Catalog. We've simply republished information exactly as we got it from our supplier without curating or improving it.
Contact Us. Order by:. Available to:. Shimano BB-M bottom bracket in good used condition. The bearings spin smoothly and no play was detectable with the crank arms installed.