BOX ONE ALUMINUM CHAINRING BOLTS 15PCS

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   SPECIFICATIONS  Finish Laser Etched Logo Weight 7 grams