WOLFTOOTH cartridge extension 40 teeth for SRAM
40 teeth for SRAM 10 - cassettes.
In exchange for the 17er or 15er pinion, this 40 teeth pinion an extension of the sprocket assembly. The shift aids are designed for the alignment of the teeth on a 36 tooth SRAM cassette.
The cassette extension is compatible with SRAM 10-speed cassette 11-36T X5 (PG-1030), X7 11-36T (PG-1050) and X9 11-36T (PG-1070).
Compatible: PG-1030, PG-1050, PG-1070
Colors: black, silver, red, blue
Weight: 79 g