E*thirteen Helix Plus 12s Cassette - 9-50T- Black

Regular price £209.95
Tax included.


Helix Plus | Cassette | 12s | 9-50T | Black

Engineered for E-bike durability and cross-experience compatibility with SRAM Eagle™ and Shimano™ 12-speed drivetrains. At 406 grams and 556% range, the 9-50T configuration is the hot setup for your 12 Speed MTB or Gravel bike and allows for a 2-tooth smaller front chainring, shorter chain length, more ground clearance, and higher top-speed with our 9 tooth cog.


  • Compatible with SRAM™, Shimano™ and TRP 12 speed drivetrains
  • 2-piece design allows for replaceable aluminum cogs, lower cost of maintenance, and less waste
  • Built extra tough and E*spec rated for E-bike use
  • e*thirteen’s wider range and 9 tooth cog allows riders to run a 2 tooth smaller chainring for more clearance and reduced weights
  • Reduces un-sprung rear wheel weight for improved suspension function and handling
  • XD/XDR Driver required
  • Extend your gear range, future-proof your bike, and save weight and cash with the Helix Plus Cassette.


Freehub Mount XD Driver
Material 10 Steel / 2 Alloy Cogs
Range 556%
Size 9,11,13,15,17,20,23,27,31,36,42,50
Speeds 12 spd
Weight 412g
Color Black
Warranty 5 Years



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