This is a set of optional Hot Racing Heavy Duty Axle Carriers/Steering Blocks for the TRA Revo, E- Revo T-Maxx 2.5, 3.3. Summit that USE TRA 17MM hex drive

Constructed of 6061 T Aluminum, Silver in color
Redesigned Bearing support for use with (6mm x 17mm x 6mm) bearing
Press-fit (6mm x 17mm x 6mm) in the carrier for reduced axle movement
Two-piece pillow-ball set screws use aluminum and Delrin for holding under extreme power conditions

Two Axle Carriers/Steering Blocks
Two (6mm x 17mm x 6mm) Outer Bearings
Four Aluminum Set Screws

Installing on axles, no modifications required

Replacement Pillow-Ball Set Screws, DRVO021

For use with TRA 14 Hex drive use
RVO21M06 or RVO21M08