Helix Race 12-Speed 9-52t Cassette Color:Naranja Watt-saving ceramic bearings and a

Watt-saving ceramic bearings and a super light hollow titanium spindle

Latex inner tube

An ANT+ and Bluetooth Smart Speed/Power/Cadence sensor that monitors indoor training sessions via smartphone

the wheelbase can easily be pulled out to extend the footprint

For cross country and all-mountain riding

Helix Race 12-Speed 9-52t Cassette Color:Naranja Watt-saving ceramic bearings and aThe e*thriteen Helix Race 12 speed 9 52t cassette is engineered to deliver precision shifting performance with an industry leading 578% gear range. The proprietary 9 tooth smallest cog combined with the 52t largest cog enables the use of a smaller chainring for improved clearance, lighter system weight and a lower bail out gear ratio without high gear compromise. PVD finish for improved durability