Overview
Get the most versatile track-width tuning kit available with the Hot Racing Aluminum 12mm Multi-Width Hex Hub Adapters. This complete 4-wheel kit features CNC-machined 6061-T6 aluminum hex adapters with stackable 5mm and 10mm extensions, allowing you to set track width at 15mm, 20mm, 25mm, or 30mm per side — covering virtually any width adjustment need across 1/10 scale vehicles with 12mm hex drives and 5mm axles.
The adjustability makes this kit a smart investment for owners with multiple 1/10 vehicles or builders dialing in a custom chassis. Hardened steel hardware, anti-mar wheel washers, and o-ring sealed lock pins ensure long-term reliability.
Key Features
- CNC-machined 6061-T6 aluminum construction
- Black anodized finish
- Stackable 5mm and 10mm extensions
- Four width options: 15mm, 20mm, 25mm, 30mm per side
- Enough adapters for all four wheels
- Hardened steel hardware
- Anti-mar wheel washers and o-ring lock pins
Performance Benefits
- Maximum track-width tuning flexibility
- Stable wheel mounting interface
- Aluminum construction handles aggressive driving
- One kit for any 12mm hex / 5mm axle 1/10 application
Usage Notes
Stack 5mm and 10mm extensions to achieve desired track width: 15mm (15mm hex only), 20mm (15mm+5mm), 25mm (15mm+10mm), 30mm (15mm+5mm+10mm). Use appropriate cap screw length for your stacked configuration. Apply removable thread-locker on screws. Re-torque after the first run.
Technical Specs
- Material: CNC-machined 6061-T6 aluminum
- Finish: Black anodized
- Hex Output: 12mm
- Axle Compatibility: 5mm
- Width Options: 15mm, 20mm, 25mm, 30mm per side
What's Included
- Four (4) 15mm hex adapters
- Four (4) 5mm extensions
- Four (4) 10mm extensions
- Four (4) Hot Racing wheel washers
- Four (4) 15mm cap screws
- Four (4) 25mm cap screws
- Four (4) o-rings
- Four (4) lock pins
Fitment
- 1/10 scale vehicles with 12mm hex drives and 5mm axles
- Universal — works on most 1/10 platforms
Summary
The Hot Racing Aluminum 12mm Multi-Width Hex Hub Adapters are the most flexible track-width tuning kit on the market. Four widths in one kit, premium aluminum construction, complete hardware package — the only hex extension kit you'll need for 1/10 vehicles.
