Custom Works Enforcer 7 Gearbox Kit

Q&A, gearing, and guides

Oval•Sprint•1/10 scale•2WD

Enforcer 7 Gearbox Kit parts & upgrades at AMain →

Ask Miles, our Setup AI, trained on RC manuals and setup guides.

Car Not Handling Right?

Diagnose understeer, oversteer, traction rolling and more — by symptom.

Fix it

Setups

Get Enforcer 7 Gearbox Kit alerts

New setupsKit & part deals

No setups found

No public setups have been shared for this car model yet.

Have a setup for the Enforcer 7 Gearbox Kit?

Share your setup sheet with the community — we'll fill in the details automatically.

Submit a setup →

Gearing

Stock gearing for the Custom Works Enforcer 7 Gearbox Kit, with common pinions and their ratios.

Stock spur

96T

Internal ratio

2.6:1

Typical pinion

7.5–8.5T ≈ 31T

Class medians on the stock spur. For your motor and track →

Pinion	Spur ÷ pinion	FDR
19T	5.05	13.14
20T	4.80	12.48
21T	4.57	11.89
22T	4.36	11.35
23T	4.17	10.85
24T	4.00	10.40
25T	3.84	9.98
26T	3.69	9.60
27T	3.56	9.24
28T	3.43	8.91
29T	3.31	8.61
30T	3.20	8.32
31T	3.10	8.05
32T	3.00	7.80

Shaded rows are the pinions most 1/10 2WD sprint setups run on the stock spur.

What pinion should I run?

Tell us your motor and track and get a starting pinion for the Custom Works Enforcer 7 Gearbox Kit, with the range racers in the class run.

Get a recommendation →Shop pinion gears at AMain →

What pinion gear should I use on the Custom Works Enforcer 7 Gearbox Kit?

It depends on your motor and the track. In the 1/10 2WD sprint class, racers gear by final drive ratio: 7.5–8.5T near 8.13. On the Enforcer 7 Gearbox Kit's stock 96T spur that is about 31T for 7.5–8.5T. Tight tracks gear down, open tracks gear up. For a starting pinion matched to your motor, use the So Dialed Pinion Recommender with the Enforcer 7 Gearbox Kit selected.

What is the internal ratio (transmission ratio) of the Custom Works Enforcer 7 Gearbox Kit?

The Enforcer 7 Gearbox Kit has an internal ratio of 2.6:1. Final drive ratio = spur ÷ pinion × 2.6. With the stock 96T spur, a 19T pinion gives an FDR of 13.14 and a 32T gives 7.80.