cassette extenders.

Our cassette sprockets extend the range of 10 speed cassettes.

You can extend the gear range of  Shimano  and SRAM 11-36 cassettes to 11-42T

basic information:

material
aluminium 7075 T6 (anodised)

colours
available in: black/ red / blue
special colours*: purple / gold

*please note: special colours are available for “Limited Editions” only

size / weight:

10sp Shimano & SRAM
42T (78g), 40T (–g)