The Surly Ultra New Singlespeed Rear Disc Hub is a no-nonsense, ultra-reliable hub built for singlespeed setups with disc brakes. Featuring a 135mm rear spacing, 10mm solid axle, and compatibility with standard thread-on freewheels, it’s perfect for mountain bikes, commuters, or utility builds. The high-flange aluminum shell and sealed cartridge bearings ensure long-term durability and smooth rolling. With 6-bolt disc compatibility and 32-hole lacing, it's a versatile choice for tough, low-maintenance rides.
The Surly Ultra New Singlespeed Rear Disc Hub is a no-nonsense, ultra-reliable hub built for singlespeed setups with disc brakes. Featuring a 135mm rear spacing, 10mm solid axle, and compatibility with standard thread-on freewheels, it’s perfect for mountain bikes, commuters, or utility builds. The high-flange aluminum shell and sealed cartridge bearings ensure long-term durability and smooth rolling. With 6-bolt disc compatibility and 32-hole lacing, it's a versatile choice for tough, low-maintenance rides.
Specs:
Axle Type: 10mm solid axle for bolt-on installation
Spacing: 135mm rear spacing
Drivetrain: Singlespeed, freewheel compatible (standard thread-on)
Hole Count: 32 holes
Brake Compatibility: 6-bolt disc
Bearings: Sealed cartridge bearings
Material: Aluminum hub shell with stainless steel hardware
Color: Black
Chainline: ~52mm (adjustable with spacers, depending on setup)
Ideal Use: Singlespeed MTB, touring, commuting, utility bikes
