E*thirteen Helix Race 12s Cassette Color:Black Investigation into existing 35mm bars

Investigation into existing 35mm bars showed that most people found them uncomfortably stiff and we knew we had to make something better

and tubeless performance at lower pressures

Multi-Purpose: Both versatile and stylish

Frame: Super Lightweight triple butted 6061 Aluminium

laser cut and heat treated

E*thirteen Helix Race 12s Cassette Color:Black Investigation into existing 35mm barsHelix Race Cassette 12 Speed 9 52T Intergalactic Helix Race 12s 9 52T Cassettes deliver an industry leading 578% gear range and precision shifting performance with Shimano, SRAM, and TRP 12s drivetrains. Love to grind climbs? Throw on a 28T chainring and go pull some stumps. Hungry for top speed? Push a big ring, comfortable in the knowledge that youve got the most gear range you can get from a single ring, 12 speed setup. Helix Race 9 52T cassettes