Tekno RC Machined Differential Ring Gear, 43T (TKR9151B) is a CNC-machined upgrade ring gear for Tekno EB48 and ET48 2.x models, offering smoother power delivery and a way to tune drive ratio for loose, low-traction tracks. It is a direct replacement for the stock TKR9151 ring gear.
- CNC-machined 43-tooth differential ring gear
- Must be used with the matching 13T pinion TKR9153B
- Includes (1) ring gear
Part number / MPN: TKR9151B