Cane Creek Hellbender 70 Lite Headset - Red BF Apparel It's rated IK09 for impact

It's rated IK09 for impact resistance and IP67 for water and dust protection

and gravel tracks

Ultegra Di2 ST-R8170 — Shimano Part No

Need a quick audio boost

Cog Finish (Cassette): Black

Cane Creek Hellbender 70 Lite Headset - Red BF Apparel It's rated IK09 for impactHellbender 70 Lite is an ultralight headset that uses hybrid aluminum bearings and a unique preload assembly to shave considerable weight from our standard offering. An ideal choice for any bike where weight savings is a priority, but the rider doesnt want to sacrifice durability and performance. Features Lightweight aluminum steel hybrid Hellbender LITE bearings are 30% lighter than conventional headset bearings. Includes HB70 Lite preload assembly: