e*thirteen Helix R 107 BCD 4-Bolt Chainring - 40t 11/12-Speed 107BCD Black CheckoutTitle=Michelin E-Wild Tire - 27.5 x 2.8 Intuitive open/close housing design has

Intuitive open/close housing design has a large grip area for precise control of airflow

Features a new faded edge on the clamp face to help avoid hot spots and stress risers when your bar flexes under load

Cleat Bolt Pattern 2-BoltClosure DialShoe Size (EU) 45Gender/Age MensColor BlackDefined Color BlackActivity Cycling

0 takes everything that made the NV great and makes it better

Stainless steel hardware is highly resistant to the elements

e*thirteen Helix R 107 BCD 4-Bolt Chainring - 40t 11/12-Speed 107BCD Black CheckoutTitle=Michelin E-Wild Tire - 27.5 x 2.8 Intuitive open/close housing design hase*thirteen Helix R 107 BCD 4 Bolt Chainring 40t 11 12 Speed 107BCD Black. The e*thirteen Helix R 107BCD Chainring designed for 4 bolt 107BCD cranks like SRAM Red or Force including power meter equipped cranks offers a performance upgrade for Gravel and Road cyclists. The 38 40 and 42 tooth rings pair perfectly with e*thirteens cassettes for more overall range and higher top speeds. Made from durable premium 7075 alloy theyre CNC sculpted for a high