Box One 7075 Alloy Chainring Bolts-15pcs alienation Features an alloy cap and

Features an alloy cap and sealed bearings

The bottom bracket features a lightweight hollow titanium spindle in 108mm or 113mm lengths

The Onyx Pro Rear ISO Rear Hub at J&R Bicycles comes standard with ceramic hybrid bearings

BOLT REQUIREMENT: Typically uses standard (or short) chainring bolts but some cranks/spiders are thicker and require long bolts

PEDAL BEARINGS: sealed bearings / IGUS bushings

Box One 7075 Alloy Chainring Bolts-15pcs alienation Features an alloy cap andMade from super tough and lightweight aircraft grade aluminum alloy the Box One 7075 Alloy Chainring Bolts 15pcs at J&R Bicycles are built for strength. The bolt kits include five each of 8. 5mm bolts, 6mm bolts and 5mm rear nuts and will fit almost any chainring crank combo. The bolts feature laser etched logos and are easily installed with a 5mm Allen key. INCLUDES (5) 8. 5mm front (5) 6. 5mm front (5) 4mm rear Weight Limit: 45 kg (99 lbs) or less