E*Thirteen Extended Range Cog Shimano Compatible (Black) (42T)
FW10.ER-10SHIM.42K
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E*thirteen Extended Range Cog.
Features:
- Extended range aluminum 40t or 42t cogs to fit Shimano 10-speed cassettes
- 42t is compatible with 36t max cassettes while 40t is compatible with 34t max cassettes
- Remove the existing 17t and add the Extended Range cog without any additional spacers to create an 11-40t, or 11-42 10-speed cassette option
- Cogs come with a longer replacement B-limit screw, to avoid running the derailleur with the stock screw maxed out
- Intended for use with 1x drivetrains. Chainwrap capacity will be an issue for those wanting to use double cranksets
Teeth: 40t / 42t
Color: Black
Version: Shimano
Weight: 65g / 70g
