Full Speed Ahead Headset Guide For 1-1/4" and 1-1/2" Standard 52.5 - Vivid C1+ (2024+) Same overall diameter as a

Same overall diameter as a 700c x 30 tire

Length 100 Bar Clamp Diameter (mm) 31

Misc 1/4 Hex

Utilizing Stans patented Bead Socket Technology combined with a stronger asymmetric design for balancing control and weight the Arch MK4 your best choice for all-around riding

Full Speed Ahead Headset Guide For 1-1/4" and 1-1/2" Standard 52.5 - Vivid C1+ (2024+) Same overall diameter as aStainless steel measurement tool has gauges for all current headset bearing standards (Campagnolo, Cane Creek, TH FSA) Includes inside gauges for head tubes and cups and outside gauges for bearings TECH SPECS description 1 1 4" and 1. 5" headset and head tube measuring to