SEALED CARTRIDGE BIKE BOTTOM BRACKET 70mm x 121mm BB CASSETTE

• A QUALITY REPLACEMENT BOTTOM BRACKET SEALED UNIT TO FIT A STANDARD BSA BOTTOM BRACKET SIZE (1.37 24tpi)
• THIS IS SUITABLE AS AN UPGRADE REPLACEMENT FROM LOOSE BB SET ie STANDARD CUP AND 1/4″ BALL RACES
• QUALITY MAINTENANCE FREE SEALED CARTRIDGE
• DESIGNED TO BE USED ON TRADITIONAL BIKE FRAMES
• EASY FITTING, WITH NO NEED TO ADJUST BEARINGS
• HIGH STRENGTH HARDENED AXLE
• INCLUDES A PAIR OF CRANK BOLTS
• 70mm 121mm
• WE ALSO SELL THE MULTI SPLINED TOOL TO FIT AND REMOVE THESE UNITS, PLEASE SEE OUR OTHER LISTINGS