e-thirteen Helix Plus e*spec 9-50t 12 Speed Cassette XD Driver 5D 0 inch anti-puncture all-terrain fat

0 inch anti-puncture all-terrain fat tyres

Peak performance requires optimal hydration

Please note that the operation of this type of modified electric bike on public roads may be against the law in some countries

This is a higher grade 6804 bearing

3 crank length specifications are available

e-thirteen Helix Plus e*spec 9-50t 12 Speed Cassette XD Driver 5D 0 inch anti-puncture all-terrain fatINDUSTRY LEADING: Helix Plus 12 speed, 556% Range, 406g More Range, Less Weight Engineered for E bike durability and cross experience compatibility with SRAM and Shimano drivetrains. This 9 50T combination is the hot set up for your 12 Speed MTB and allows for a 2 tooth smaller front chainring, shorter chain length, more clearance and range with our exclusive 9 tooth smallest cog. Future proof your bike, save weight and cash with the Helix Plus