Like the rest of the Unitrack system

Each individually numbered transponder has its 'custom' ID number written on the supplied instruction sheet with the an alternative number also available

super durable spring retainer and shock ends

sized 120x60mm for the Super 5SC Flux

Hole size (drilled through cowl): 3/8"

Traxxas 8654R Red 17mm Splined Wheel Hub Set (4) tumbler Like the rest of theTraxxas 8654R Red 17mm Splined Wheel Hub Set (4) This is a genuine Traxxas set of four 17mm splined wheel hubs in red. These hubs provide a secure, positive connection between the axles and wheels, and the red anodized finish adds a custom look to your Traxxas vehicle. Made to exact Traxxas specifications, they install as direct replacements for the stock 17mm splined hubs. Genuine Traxxas part #8654R Includes four (4) wheel hubs 17mm splined design