E*thirteen Helix R e*spec C-ring Bosch SX/Gen4 CX 34t -Black MFPN=313-0337435050 Rigid aluminum construction

Rigid aluminum construction

machined with a radius on the inner and outer edge

Crankset: alloy forged

to handle all snow conditions

6 ISO 584 Bead Wire Tread/Sidewall Color Bk/Blk PSI 40 Weight (Grams) TPI 60 Durometer Features EXO Reflective Sidewall No

E*thirteen Helix R e*spec C-ring Bosch SX/Gen4 CX 34t -Black MFPN=313-0337435050 Rigid aluminum constructionHelix Race e*spec Chainrings merge cutting edge design and performance. Designed for Bosch SX and Gen 4 CX equipped e bikes this 1pc direct mount chainring is forged from 7075 AL for lightweight durability impressive stiffness and a standout technical aesthetic. Its custom metal dust cover enhances style and minimizes seal and lockring contamination. The new M4 narrow wide profile delivers enhanced chain retention and cross compatibility with Shimano