Shimano Tiagra BB-RS501 Hollowtech Threaded Bottom Bracket Size_700x32c engineered to deliver consistent performance

engineered to deliver consistent performance every ride

Adjustable Bike Stand: The telescopic stand can be adjusted in 40-millimeter increments

For FRONT mount

High-resistance frame-protection

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Shimano Tiagra BB-RS501 Hollowtech Threaded Bottom Bracket Size_700x32c engineered to deliver consistent performanceSHIMANO 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