E*thirteen Helix R e*spec Chainring for Bosch SX/CX4 - Black Forks Tread design: Excellent traction and

Tread design: Excellent traction and braking performance thanks to special central stud arrangement

In addition to the standard ride data you've come to rely on

Forged and CNC machined 7150 series aluminium alloy crank arms

Custom molded Crank Boots included

Compression moulded carbon fibre arms

E*thirteen Helix R e*spec Chainring for Bosch SX/CX4 - Black Forks Tread design: Excellent traction andHelix Race e*spec Chainring 32T Bosch SX Gen4 CX Direct Mount 15mm Offset Shimano SRAM 11 12s Chain Compatible Black Helix R e*spec Chainrings merge cutting edge design and performance. Originally designed as an upgrade for Bosch CX Gen4 e bikes, these rings are now also available TQ HPR50, Fazua Ride 60, Shimano EP8, as well as in Specialized SL1. 1 and 2. 1 2. 2 motors. The 1 piece direct mount chainring, forged and machined from 7075 AL, boasts