M8 x 25mm thread. Spare umbrella bolts for cranks, suitable for 4-jeri pro-style tubular 3pc cranks and similar. supplied as a pair.
Thule 9502 9503 Spare Umbrella Bolt for RideOn Towbar Cycle Carrier 50227
4-Jeri Pro-Style Umbrella Crank Fixing Bolts M8 Chrome
Brand New Bolt For-SRAM Crank Arm Crank Arm Bolt For-SRAM SPARE DUB Bolt Kit
Acor Steel 170mm Left Hand Diamond Replacement Bike Crank Arm Spare Part
SRAM Spare Crank Arm Bolt Kit Self-Extracting M18/M30 Dub Steel Black
Sram Bolt Kit Genuine Crank Arm Spare Self Extracting M15/M22 Gxp Black
