Wolf Tooth 1x Chainring Bolt Set - 6mm Dual Hex Fittings Set/4 Gun Metal Model=Multi-Tools These high performance square taper

These high performance square taper bottom brackets from MSW are designed to interface with English threaded frames

this is totally normal for a handwoven textile and isn't considered a defect

Shimano Ultegra 6800 11-Speed Chainrings

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Wolf Tooth 1x Chainring Bolt Set - 6mm Dual Hex Fittings Set/4 Gun Metal Model=Multi-Tools These high performance square taperWolf Tooth 1x Chainring Bolt Set 6mm Dual Hex Fittings Set 4 Gun Metal. These 6mm long bolts are designed for single chainrings that have non threaded standoffs. Uses a double hex head interface so you dont have to use a chainring nut spanner. 6mm length Made in the US out of 7075 T6 Aluminum Has hex heads on both the bolt and nut for easy installation Max torque of 7 8 Nm with light grease on threads only TECH SPECS Length 6 Color Gun Metal Gray