With reliable SHIMANO bearings and seals, the SHIMANO ULTEGRA bottom bracket has a long service life.
Features
Optimum power transfer
Lightweight maintains efficiency
DURA-ACE proven 4-arm design: Same stiffness and lighter weight
14 g lighter weight and half the friction of the SM-BB6700, while maintaining the same durability
Specifications
Model No: SM-BB72-41
Series: SHIMANO 105 R7000 Series
Average Weight: 69g
HOLLOWTECH II BB Press-Fit type: Yes
Small ball bearing: Yes
About Shimano
Shimano is a Japanese multinational manufacturer founded in 1921 by Shozaburo Shimano. They are well known as the largest bicycle component manufacturer in the world with their main manufacturing plants in Kunshan, China; Malaysia; and Singapore. Along with cycling components they also produce fishing tackle, and rowing equipment.