R1WURKS R1B Top Shaft Gear, Aluminum Slipper plates these bones are 38

these bones are 38

while the Dirt kit features a ball differential

while various spacer combinations can be used to explore infinite range of KPI settings

5mm hub spacer on the hinge pin instead of the standard 2mm spacers

Low center of gravity

R1WURKS R1B Top Shaft Gear, Aluminum Slipper plates these bones are 38R1WURKS R1B Top Shaft Gear, Aluminum Standard replacement spare part for the R1B Key Features and Specifications: R1 Wurks genuine replacement part Lightweight, only 2. 65g Precision machined from 7075 T6 aluminum alloy Type III Hard Coat Anodizing for superior wear resistance Laser etched logos and ID markings Includes: x1 R1B Top shaft gear