Neco Sealed Bottom Bracket Cassette For MTB With Shimano BB Mount Gear Mechs

If you have an MTB or any bike with a Shimano (or any brand) front derailleur gear mech that’s mounted on the Bottom Bracket of your bike then this is the hard to find NECO bottom bracket sealed cartridge cassette for use when fitting a bottom bracket gear mount front derailleur to a standard BSA 68mm bottom bracket size (1.37 24TPI)

The cassette has a shoulder on the right side which will not screw fully in unless:

A – your frame has provision in the BB shell for the lip

B – you fit a spacer washer

C – you fit an E-type front derailleur (bb mount plate)

  • This is suitable as an upgrade replacement from loose BB set ie standard cup and 1/4" ball races or as a direct replacement

  • Quality maintenance free sealed cartridge

  • Designed to be used on traditional bike frames, ATB, MTB, Hybrid etc with a 68mm shell

  • Easy fitting, with no need to adjust bearings

  • High strength hardened jis square taper axle

  • Overall length 122.5mm

  • Weight; 315grams (approx)

  • Can be fitted with a standard Shimano BB cartridge tool, we also sell the multi splined tool to fit and remove these units, please see our other listings or ask us


EXTRA SPECIAL OFFER ; Buy two for only £20 incl P & P so you always have a spare or can fit to two bikes