Shimano SM-BB7241B Press Fit Bottom Bracket 86.5mm

The Shimano SM-BB72-41B Hollowtech II bottom bracket is a Press Fit model for road bikes with a 86.5 mm shell. For replacing an old bottom bracket on compatible frames.

• Fits BB86 and BB92 Press Fit frames with a 41 mm shell
• Lightweight at approximately 69 g, without weighing down the bike
• Compatible with Ultegra, 105, GRX, Tiagra and Sora cranksets
• Steel bearings and a resin cup, designed for road bikes
• Before ordering, check the shell width (86.5 mm) and crankset model

Technical specifications

• Model: SM-BB72-41B (SKU BB7241B)
• Type: Press Fit (41x24 mm)
• Shell width: 86.5 mm
• Shell diameter: 41 mm
• Spindle and bearing diameter: 24 mm
• Material: Resin cup; steel bearings
• Weight: Approximately 69 g
• Standard: Pressfit BB86-BB92 41x86-92
• Intended use: Road bikes
• Pack contents: 1 SM-BB72-41B Hollowtech II Press-Fit bottom bracket

Founded in 1921 in Sakai, Japan, by Shozaburo Shimano, Shimano is still based in the same city today. For cyclists, it makes drivetrains, brakes, wheels, pedals and cycling shoes. Its history in bicycle components began with the production of freewheels in 1922.