E*thirteen Helix R Direct Mount Chainring for 3-Bolt Cranks - Bronze Front Hub 35 inch | Enduro Casing

35 inch | Enduro Casing | Mopo Compound

Tank - charge air in air tank

Snap System™ (ViZ 150)

Shimano Deore CS-M4100

46 Speeds 11 spd Weight 365g Color Nickel Grey Warranty 5 Years

E*thirteen Helix R Direct Mount Chainring for 3-Bolt Cranks - Bronze Front Hub 35 inch | Enduro CasingHelix Race Chainring 3 Bolt Direct Mount 28T 3mm Offset Shimano SRAM 11 12s Chain Compatible Bronze The Helix R 3 Bolt Direct Mount Chainrings, engineered for SRAM 3 Bolt crank systems, merge aesthetics with robust durability. e*thirteen's narrow wide tooth profile ensures compatibility with Shimano and SRAM 11 and 12 speed drivetrains. Manufactured from AL 7075 T6 aerospace grade aluminum, the rings are CNC sculpted for weights starting at just 48g.