Blackspire DeCOGnition Kassetten-Reduzier-Spacer

Blackspire DeCOGnition Kassetten-Reduzier-Spacer

This cassette adaptor is ideal for riders who would like to reduce their gearing ratio to save weight or to discard unused gears. Ideally designed for Downhill riding where the larger sprockets are not used as often.

Features:

9 speed cassettes convert into 6 speed cassettes
10/11 speed cassettes convert into 7 speed cassettes