Helix Race | Cassette | 12 Speed | 9-50T | Bronze
CNC sculpted and engineered cross-experience compatibility with SRAM Eagle™ and Shimano™ 12-speed drivetrains. At 384 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™, TRP™ and Shimano™ 12 speed drivetrains
2-piece design allows for replaceable aluminum cogs
Just 384g yet E*spec uprated for E-bike use
Reduces un-sprung rear wheel weight for improved suspension function and handling
e*thirteen’s wider range and 9 tooth cog allows riders to run a 2 tooth smaller chainring for more clearance and reduced weights
XD/XDR Driver required