Product details
Description
FRM 42-tooth black conversion cog for turning compatible 10-speed 11-36 SRAM or Shimano cassettes into 11-42 setups.
- CNC-machined 7075 alloy cog with anodised finish.
- The cassette's original 17T sprocket is removed for the conversion.
- Compatible with SRAM or Shimano long- or medium-cage derailleurs, and with any 10-speed chain and shifter.
- Compatible cassette examples: SRAM X5 PG1030, X7 PG1050, X9 PG1070, Shimano XT CS-M771 and XTR CS980.
- Not to be fitted as a replacement for the small 11T sprocket.
