Box One 7075 Alloy Chainring Bolts-15pcs alienation The bottom bracket features a

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

Size: Available from 37T to 47T

BOLT REQUIREMENT: Fits standard gear bolt that comes with 2-pc and 3-pc cranks

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

PEDAL BEARINGS: sealed bearings / IGUS bushings

Box One 7075 Alloy Chainring Bolts-15pcs alienation The bottom bracket features aMade 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