Shimano BB-RS501 Hollowtech II English Bottom Bracket MPFN-110-012-004 tightly-spaced knobs to provide predictable

tightly-spaced knobs to provide predictable cornering traction on hardpack terrain

Indoor & outdoor use

Tooth Count 19 Cassette Body Type Shimano/SRAM 8 9 10 Speed Defined Color Black Material Aluminum Drivetrain Speeds Single Speed 3/32"

8 Offset 50 Max Rotor Size (Fork) 203 S

Shimano BB-RS501 Hollowtech II English Bottom Bracket MPFN-110-012-004 tightly-spaced knobs to provide predictableShimano BB RS501 Hollowtech II English Bottom Bracket. The Shimano BB RS501 bottom bracket features an enhanced seal construction to provide long lasting performance and service life. Designed for a perfect fit with Hollowtech II 24mm crank spindles Anodized aluminum cups are high strength and light weight TECH SPECS BB Shell Width (mm) 68 BB Frame Interface English Bottom Bracket Shell I. D. 1. 37 Defined Color Silver Spindle Interface Type Shimano