Model B910E. The cassette has a shoulder on the right side which will not screw fully in unless C – you fit an E-type front derailleur (bb mount plate).
NECO BOTTOM BRACKET - Sealed Cartridge Bearings - BSA Thread JIS Square taper
Neco Cartridge Bottom Bracket - 68 x 122.5mm - JIS Square Taper, BSA
Neco Isis Drive Sealed Bottom Bracket 68x118mm Black
NECO SEMI SEALED CARTRIDGE BOTTOM BRACKET 68 x 126mm
Neco Cartridge Bottom Bracket - 68 x 119mm - Sealed, JIS Square Taper, BSA
Neco Cartridge Bottom Bracket - 68 x 127.5mm - JIS Square Taper, BSA
