Surly Ultra New rear track hub
USA orders totaling $100 or more receive free shipping.
This applies to standard shipping in the contiguous 48 states and military APO/FPO addresses only. Oversized items are excluded from the free shipping offer.
All other shipping charges are shown in the cart before checkout. Free shipping does not apply to orders shipping outside the USA.
For complete information, please see our Shipping page.
If you are a local customer choosing the Store Pickup option at checkout,
please wait to receive an email saying your order is ready before coming to pick it up.
Local orders may not be ready the same day they are placed.
⚠️ IMPORTANT NOTICE: Effective 10/14/22, the option for local pickup is unavailable because we are in the process of moving to a new location. Until our new retail store opens in early 2023, all orders placed online will be shipped.
Returns for eligible products are accepted within 30 days of the purchase date. Some exclusions apply.
For complete information, please see our Returns page.
Surly's Ultra New hubs feature tool-free, self-adjusting bearing hardware that properly pre-loads the bearings when the wheel is installed. Who could ask for anything easier?
Available in three spacing options: 120mm for common track frames and 130mm or 135mm for converted road frames.
• 6061-T6 forged hub shell w/ 6901 sealed cartridge bearings
• 4130 cro-mo axle is quick release and bolt-on compatible (includes stainless M6 bolts & caps, qr skewer not included)
• spacing: 120, 130 or 135mm
• fixed/free threading
• axle/cone system uses uses a shouldered axle that allows the hubs to be completely adjustment free
• flange diameter: 54.0mm
• center to flange: 30.0mm
• bearing size: 6901
• colors: black, silver
• weight: 302g (including axle hardware)