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Chainrings

$15.99
- Includes: (5) 8.5mm outer bolts, (5) 6mm outer bolts, (5) 5mm inner nuts
$24.99
The Box Four Wide/Narrow chainring completes that package for the 1x8 system. It is the first 8-speed specific chainring designed to optimize chain retention when using 8-speed chains. The tooth profile and thicknesses are tailored to match the inside geometry of the unique Box Four chain. FEATURES - Our 8 is Enough Chainring - Forged & CNC Steel - ED Black Protection - Wide / Narrow 8s Specific - 104 BCD Compatible
$54.99
- CNC-machined 6061-T6 aluminum with rounded tooth profile to reduce chain wear
$54.99
Made in the US from 6061-T6 aluminum alloy, Box Two Chainrings are round and true. They fit 104 BCD four-bolt cranks and are available in black anodized with laser-etched graphics from 38 to 45-teeth.
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