Interloc Double Roller Drive Headset - CNC Machined 7075 Alloy, 1" Brand_UMPQUA delivering a stiff yet lightweight

delivering a stiff yet lightweight foundation that maximizes power transfer while maintaining durability across varying climate conditions

- Equipped with a Seismic cassette hub featuring TCS internals and dual nylon hub guards

The compatible 5/6/7-speed freewheel gears ensure seamless shifting performance

Innovative alloy materials combined with engineered components like 180-bearing models ensure high reliability

reliable attachment and easy handling for both gym and outdoor climbing

Interloc Double Roller Drive Headset - CNC Machined 7075 Alloy, 1" Brand_UMPQUA delivering a stiff yet lightweightRoller bearings for both the upper and lower cups for improved headset performance . Roller bearings offer 3 distinct areas of advantage over traditional round bearing headsets: steering dampening, greater strength, and greater durability . Increased bearing contact acts as a damper absorbing high and low speed vibrations . Roller bearings have a much greater contact area offering increased strength . Load is spread over a great area with roller