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Replacement M8 Nut/Bolt Set for Wheels Mfg derailleur hangers.
Features
M8 chainring bolt style fastener
Use with 5mm hex wrench
Specifications
Length of bolt: 5mm 8.5mm under head
Length of nut:3.6mm (under head), 5.2mm (overall),6.5mm (under head), 8mm (overall)