Overview
The Hot Racing 28T 0.5 Mod Hardened Steel Pinion Gear with 2.3mm bore gives Arrma Grom builders a taller gearing option for compatible Mod 0.5 drivetrains. Its hardened steel construction is designed for reliable tooth wear and clean engagement when properly meshed with the matching spur gear.
Key Features
- 28-tooth Mod 0.5 pinion gear
- 2.3mm bore for compatible small motor shafts
- Hardened steel construction
- Designed for Grom-size Arrma performance tuning
- Manufacturer SKU: HRAMSG28M05
Performance Benefits
- Adds a higher-speed gearing option compared with smaller pinions
- Durable steel teeth handle repeated brushless acceleration
- Works well in tuning sets for changing track or bashing conditions
Usage Notes
- Verify 2.3mm motor shaft size and Mod 0.5 spur compatibility.
- Use appropriate motor mount clearance for the larger 28T pinion.
- Monitor ESC and motor temperature after gearing changes.
Technical Specs
- Brand: Hot Racing
- SKU: HRAMSG28M05
- Type: Upgrade Parts
- Tooth count: 28T
- Pitch/module: 0.5 Mod
- Bore: 2.3mm
- Material: Hardened steel
- Condition: New
Fitment
- Compatible with Arrma Grom vehicles using matching Mod 0.5 gearing and 2.3mm motor shaft.
- Verify exact model and motor mount before purchase.
What's Included
- 1 x Hot Racing 28T 0.5 Mod Hardened Steel Pinion Gear 2.3 Bore
- Factory packaging/documentation when supplied
Summary
Hot Racing HRAMSG28M05 is a durable 28T Mod 0.5 steel pinion for Arrma Grom owners looking to fine-tune speed and gearing.
