Shimano SM-BB52 Hollowtech Threaded Bottom Bracket 68/73 Shell Width Category_Sensors It’s slimline

It’s slimline

Greater compatibility

there is sufficient space to rest your google along the forehead yet below the visor

someone forgets that a rear carrier is fitted and reverses into a wall – which happens

Shimano SM-BB52 Hollowtech Threaded Bottom Bracket 68/73 Shell Width Category_Sensors It’s slimlineSHIMANO Threaded Bottom Bracket 68 73 mm shell width SM BB52 SHIMANO Bottom Bracket Threaded HOLLOWTECH II 68 73 mm shell width With better sealing and rotation the SHIMANO DEORE bottom bracket delivers high driving efficiency. FEATURES Better sealing performance PRODUCT SPECIFICATIONS MODEL NO SM BB52 SERIES DEORE M610 Series HOLLOWTECH II bottom bracket_Threaded bottom bracket type Threaded bottom bracket shell width (mm)_68 Threaded bottom bracket