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Chainrings

$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
$29.95
Box One 7075 Alloy Chainring bolt kits include five 8.5-mm front bolts, five 6-mm front bolts, and five 5-mm rear nuts, so they will fit just about any chainring/crank combination, including those with threaded holes. Includes: (5) 8.5mm front (5) 6.5mm front (5) 4mm rear Weight Limit: 45 kg (99 lbs) or less with limitations as per Category 1 of EN 16054:2012 Standard FEATURES 8.5mm/12mm Male Bolt 6.5mm/12mm Male Bolt 4mm/12mm Female Bolt Thread Pitch M8x0.75p 5mm Allen Key Slotted Female Bolt
$39.95 - $54.95
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.
$54.99
- CNC-machined 6061-T6 aluminum with rounded tooth profile to reduce chain wear
$17.95
- Includes: (5) 8.5mm outer bolts, (5) 6mm outer bolts, (5) 5mm inner nuts
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