Box Components Two Chainring

Made in the US from 6061-T6 aluminium alloy, Box Two™ Chainrings are round and true. They fit 104 BCD four-bolt cranks and are available in black anodised with laser-etched graphics from 38 to 45-teeth.  

Box Components Cro-Mo Chainring Bolts

Box One™ Chainring Bolt 15 piece kit 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 chainrings and cranks with threaded holes. Includes Slotted Female Bolts Ease of Installation  

Box Components Alloy Chainring Bolts

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. Rear bolts are slotted for ease of installation. 

Box Components Five Square Taper Crankset

Featuring a JIS square taper standard, oversized bottom bracket interface, which showcases a step-down shape specific to the crank arm-length meeting at the pedal boss. Unlike alternative options, no two lengths are the same. These durable cold-forged cranksets are available in sizes from 135mm through 170mm and employ a 5-bolt 110 BCD chainring pattern. All JIS square taper standard cranks are compatible with all BSA European-style square taper bottom brackets  

Box Components Cosine Chainring