e.13 Extended Range Cog  

e.13 Extended Range Cog

E.13 Extended Range Cog The Extended Range Cog brings lower gears to your 1x10 drivetrain. Currently, 10-speed cassettes only go up to 36T, which is plenty for 2x or 3x setups. However, with the increasing popularity of the 1x drivetrain ...

  $69
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Hope T-Rex Expander Sprocket  

Hope T-Rex Expander Sprocket

Hope T-Rex Expander Sprocket The Hope 40T-Rex Expander Sprocket provides 10 speed junkies the option of big toothed cogs at a fraction of the cost of an entirely new drivetrain. This 40T cassette expander replaces one of the smaller cogs ...

  $79
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Oneup Cassette Expander Cog Kit  

Oneup Cassette Expander Cog Kit

Please Note: Pictures are for illustration purposes only. Cassette and Rear Derailleur are sold separately. OneUp Cassette Expander Cog Kit The OneUp 40/42T Sprocket is a cost effective way to extend the gear range on your 10-speed dri...

  $85
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OneUp DH Block Cassette Spacer  

OneUp DH Block Cassette Spacer

OneUp DH Block Cassette Spacer Downhill bikes benefit from small gear ranges with even gear-progression throughout the cassette. Paired with a clutch rear derailleur this maintains proper tension on the chain and less slack when going thr...

  $45
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Oneup Shimano 11 Speed Expander Cog Kit  

Oneup Shimano 11 Speed Expander Cog Kit

OneUp Cassette Expander Cog Kit The OneUp 45T Sprocket expands a 11-40 cassette by 12.5% speed drivetrain. Go ahead and change to a 34 tooth up front and re-gain some low speed. Compatible with 1x and 2x drivetrains, the OneUp 45T Sprock...

  $90
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Oneup X-Cog  

Oneup X-Cog

OneUp Cassette Expander 44T Cog Kit Extend the life and range of your 10-42T cassette by replacing the aluminium 42T with the X-cog 44T sprocket. If you spend a lot of time in the 42T Cog it can wear out the Aluminum sprocket faster than...

  $90
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Wolf Tooth GC Cog For Shimano  

Wolf Tooth GC Cog For Shimano

Wolf Tooth GC Cog for Shimano The introduction of 11-36T cassetes a few years ago changed mountain biking forever. The larger gear range made 1x drivetrains more practical, but some found that it still wasn't a wide enough gear range. Thi...

  $74
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Wolf Tooth GC Cog For SRAM  

Wolf Tooth GC Cog For SRAM

Wolf Tooth GC Cog for SRAM The introduction of 11-36T cassetes a few years ago changed mountain biking forever. The larger gear range made 1x drivetrains more practical, but some found that it still wasn't a wide enough gear range. This a...

  $74
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