Slingshot Extension Cogaluminium. MTB.
A bolt-on upgrade for your Shimano cassette.
The Funn Slingshot Extension Cog allows you to expand your 11 speed Shimano 11T-42T cassette for an extra helping hand on those big climbs.
The kit comes with 18 and 50T cogs to convert your cassette, allowing you to drop a 50T in place of your existing 42T cog.
It’s ideal for 1X conversions.
- AL7075 Full CNC
- For 11 speed Shimano 11T-42T cassette
- Ideal for 1X conversions
- Contains 18T and 50T cogs
- Red / Blue / Black