The Aerozine sprocket adaptor allows you to upgrade your existing 11-36 10spd cassette to give an 11-40T range. The Aerozine Adaptor simply installs behind your existing cassette and replaces one of the smaller sprockets, usually the 17T.
- Precise matching of the tooth profiles and shifting points specific to each cassette
- Perfect matching of supporting tabs reducing flex and aiding shift performance
- Lower B-tension adjustment is needed ensuring good shifting throughout the cassette range compared to fitting a 42t
- 40T Shimano compatible with XT and XTR 11-34 10spd cassettes, 42T with Shimano XT and XTR 11-36
- 42T Sram compatible with PG1030, PG1050 and PG1070 11-36 cassettes
- Available in Black, Gold, Red & Silver