Aheadset TR or TR1 is 1". Great budget replacement steel headset for mountain and BMX bikes.
Aheadset TR - Traditional threadless, Cup, ball bearing, and cone form identical top and bottom assemblies, top cover is integrated with compression ring to create a simple, light, effective assembly, cups and cones work together with a simple O-ring to seal-out contaminants and increase the headset’s life expectancy, high ball compliment and large ball diameter increase headset durability, steel, 17.5mm top and 12mm bottom stack height, 165g, 1-1/8", 165g, black.
| Size: | 1-1/8" |
| Spec’s: | Threadless |
| Color: | Black |