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The Aerozine sprocket adaptor allows you to upgrade your existing 11-36 10spd cassette to give an 11-40/42t range. The Aerozine Adaptor simply installs behind your existing cassette and replaces one of the smaller sprockets, usually the 17T. Full Description

From £5.00 RRP £33.49 85% off



Gold / 40T
13 in stock £8.00 RRP £33.49 76% off
Purple / 40T
22 in stock £5.00 RRP £33.49 85% off
Silver / 40T
Sold Out £5.00 RRP £33.49 85% off

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

Additional Information

Product Code:CAAROSA

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