Box One 7075 Alloy Chainring Bolts

Box One 7075 Alloy Chainring bolt kits include five 8.5mm front bolts, five 6.5mm front bolts and five 4mm 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

• 8.5mm/12mm Male Bolt
• 6.5mm/12mm  Male Bolt
• 4mm/12mm Female Bolt
• Thread Pitch M8x0.75p
• 5mm Allen Key
• Slotted Female Bolt