Shimano Ultegra BB72-41B Hollowtech II Press Fit 41 X 86.5mm Road Bottom Bracket BBShimano bottom bracket SM BB 72 41B Press Fit and Hollowtech II Shimano SM BB72 41B is a press fit bottom bracket for the installation of a Hollowtech II compatible crank into a road frame with 86. 5 mm case width. Per usual with Hollowtech II, the bearings have a diameter of 24 mm, as this gives the best combination of rotational efficiency, stiffness, load capacity, tightness and weight even with press fit bearings. SM BB72 41B bottom brackets are

Tire compound: Dual-Compound

each wrench has its own slot in the handy carry pouch for immediate identification

WE DON'T TAKE IN: NO FIXED GEAR / NO FIXIE / NO ROAD BIKE / NO CHINA BIKES / NO EBIKE / NO VINTAGE BICYCLE

Senstive Rebound

Angle Adjustable

RaceGuard®

Sealed sliver oxide bearings (🌟SEE 1st PICTURE)

You can drive uphill faster

Product Name: Schwalbe 20 Inch Tube 7A

This protection consists of a double nylon layer

Tubeless Ready: Yes

Ultralight Rainbow Bicycle Stem 0Degree 80mm