Shimano Tiagra BB-RS501 Hollowtech Threaded Bottom Bracket Size_700x32c The new design offers enhanced

The new design offers enhanced cable routing

Applicable Tyre Sizes:37-340 - 16 x 1 3/8 - 400 x 35a28-349 - 16 x 1 1/837-349 - 16 x 1 3/828-355 - 18 x 1 1/835-355 - 18 x 1

Material: cover: synthetic leather (Soft Touch High-Viz)

Z HYDRO RACE

Shimano Tiagra BB-RS501 Hollowtech Threaded Bottom Bracket Size_700x32c The new design offers enhancedSHIMANO TIAGRA Threaded Bottom Bracket 68 70 mm shell width BB RS501 NEW SHIMANO TIAGRA Bottom Bracket Threaded HOLLOWTECH II 68 70 mm shell width The SHIMANO TIAGRA bottom bracket uses a new seal construction for long lasting performance. PRODUCT SPECIFICATIONS MODEL NO BB RS501 SERIES TIAGRA 4700 Series HOLLOWTECH II bottom bracket_Threaded bottom bracket type Threaded bottom bracket shell width (mm)_68 Threaded bottom bracket shell width (mm)_70