Sunrace CS-R91 Cassette 12-25t MFPN=00.0000.200.787 More Defined Cut-Out – Increased

More Defined Cut-Out – Increased size of the cut-out to add additional soft tissue pressure relief

Wrapping it all is a durable black Fibra-Tek microfiber cover that ensures great looks and a long life

Includes custom CNC Alloy topcap with a selection of spacers to help dial in your front end

And with up to 10 days of battery life

Integrated valve core remover

Sunrace CS-R91 Cassette 12-25t MFPN=00.0000.200.787 More Defined Cut-Out – Increased9 speed road cassette. Super Fluid Drive technology. Steel cogs. Aluminum lock ring. ~ 280g. SHIMANO Equivalent CS HG50 TECH SPECS Range 12 25t Gears 9sp Cogs 12 13 14 15 17 19 21 23 25 Color Nickel Weight