e*thirteen Helix R 107 BCD 4-Bolt Chainring – 42t 11/12-Speed 107BCD Black
USD 88.95 USD
Specifications
| Brand | E*thirteen |
| MPN | CR4HRA-150 |
The 38 40 and 42 tooth rings pair perfectly with e thirteen’s cassettes for more overall range and higher top speeds. Made from durable premium 7075 alloy they're CNC sculpted for a high stiffness-to-weight ratio.
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