E*thirteen Helix 12sp Race Cassette Color:Intergalactic Principal features:

Principal features:

1 x 16GB Micro Memory Card & Adapter

Stretch cooling mesh finger gussets

or the surface with easy-adjustable pitch (±45° Tilt-Lock mode)

-Two rechargeable swappable battery packs

E*thirteen Helix 12sp Race Cassette Color:Intergalactic Principal features:Helix R 12 Speed Cassettes work flawlessly with Shimano and SRAM 12s drivetrains, despite the challenges in designing for the different cog spacing and chain behavior The improved performance of the Helix cassette features great Shimano 12s shifting performance and improved reliability of steel and aluminum assembly. The Intergalactic PVD finishing is twice as durable as anodized models Offering a 556% range utilizing an XD Driver to enable a 9 50t,