Description
TruRyde® 1.25″ Round BT8 Spindle with Nut, Washer, and Cotter Pin – R104BT8X | Southwest Wheel®
High-quality replacement BT8 spindle designed for 3,500 lb. capacity trailer axles. This sturdy 1.25″ round spindle is a direct fit for many popular boat, utility, cargo, and RV trailers.
The TruRyde® R104BT8X comes complete with the spindle nut, washer, and cotter pin — everything you need for a clean, professional installation or axle repair.
Key Features:
- Spindle Type: BT8 (standard for many 2,000 lb. axles)
- Diameter: 1.25″ round stock
- Bearings: Accepts standard BT8 bearing set (L44643 inner / L44643 outer)
- Includes: Spindle nut, flat washer, and cotter pin
- Material: High-strength forged steel with precision-machined surfaces
- Finish: Corrosion-resistant zinc or black oxide coating
- Mounting: Weld-on design for easy installation on round or square axle tubing
Common Applications:
- 2,000 lb. single and tandem axle trailers
- Replacement spindles for bent or damaged axles
- New trailer builds and custom fabrications
Whether you’re repairing a damaged spindle or completing a new axle, the TruRyde® BT8 spindle delivers reliable performance and long service life at an excellent value.
Ready to get your trailer back on the road?Add the TruRyde® 1.25″ BT8 Spindle Kit (R104BT8X) to your cart today!
Round Spindle BT8 Spindle. Capacity (Pair) 1,000 lbs. 1.25 in. Shank Diameter. Overall length 8.25 in. Spindle length 3.5 in.
| Part No | Quantity | Description |
| R104BT8 | 1 | 1.25″ Round Spindle |
| FA-SW100 | 1 | 1″ Spindle Washer |
| FA-SN100 | 1 | 1″-14 N.F. Castle Nut |
| FA-CP175 | 1 | Cotter Pin |
