Odyssey Super Highway Bar Optie:H/Bar, Super Highway Bar 9.5" 41 Thermal, rust proof black It uses a 19mm chromoly

It uses a 19mm chromoly spindle with 8 splines

Front 9mm QR SealLock end caps for Neo R road hubs

Headset bearing - Dimensions: 52 X 40 X 7 - 45°/45° - CEMA SRC chrome steel bearing - Double sealed - Colour: silver-black

and they wear smooth naturally

Odyssey Super Highway Bar Optie:H/Bar, Super Highway Bar 9.5" 41 Thermal, rust proof black It uses a 19mm chromolyOdyssey Super Highway Bar 41 Thermal Lifetime Guaranteed. 1. 8 1. 3mm thick, multi butted main tubing Butted, traditional 7 8? crossbar for strength Large radius bends for greater durability Post weld heat treated. 9. 5? Rise 29? Width 11 Backsweep 1 Upsweep