Spidertrax 40 Spline Ultimate Unit Bearing 6 on 6-1/2" x 5/8" Studs King of Hammers Larger inner pinion bearing reduces

Larger inner pinion bearing reduces gear deflection under high load

All TR Beadlocks sport a rock solid 3/8" thick 6061 T6 billet aluminum clamp ring

every single component is made right here in the USA

Kits include the main hoop

Decades of Trail riding development and refinement have led up to these CNC Bent and Laser Notched Chassis Kits

Spidertrax 40 Spline Ultimate Unit Bearing 6 on 6-1/2" x 5/8" Studs King of Hammers Larger inner pinion bearing reducesUltimate Unit Bearing 40 Spline 6 on 6 1 2" x 5 8" Studs Built ground up for Ultra4 rock racers, the Spidertrax Ultimate Unit Bearing is truly the reinvention of the unit bearing itself. Genuine Timken bearings, full chromoly heat treated construction, left & right hand threaded spindle nuts, and a fully integrated drive slug makes the Ultimate Unit Bearing the only racing unit bearing of its kind. The Ultimate Unit Bearing, the last bearing you'll