2.2 Brass Wheel Clamp Rings: When Weight Helps Crawling
By Vanquish Products - Premium RC Crawler Kits & Accessories | Published: 2026-10-31
Category: Product Reviews
Adding brass clamp rings to your 2.2 wheels can improve traction, but only if you address the real cause of poor grip. Here's how to diagnose and decide.
Quick answer
If your crawler tips or spins on climbs despite good tires and suspension setup, adding 2.2 brass wheel clamp rings can lower the center of gravity and help the tires bite. But if grip is lost because of worn tires, binding links, or a too-stiff setup, fix those first—brass rings won't compensate.
Why unsprung weight at the wheels can help—or hurt
Brass clamp rings add mass at the wheel, which is unsprung weight. On a crawler, that can keep the tires planted on off-camber sections and reduce the tendency to tip backward on steep climbs. However, more weight also increases the load on axle parts and can make the truck feel sluggish if you overdo it. The key is to add just enough to change the balance without turning the rig into a boat anchor.
When to stop adding weight and look elsewhere
If you've already added weight and the truck still struggles, more brass likely won't fix it. Common signs you've reached the limit: the suspension sags excessively, the motor and servo run hot, or the truck high-centers more often. At that point, focus on tire compound, foams, shock tuning, or a lighter chassis setup.
Diagnose your traction problem before adding brass
- Symptom: tires spin on steep climbs, but the truck stays level: Likely cause: insufficient weight over the rear axle or too-light wheels. Corrective action: add a pair of 2.2 brass clamp rings to the rear wheels, starting with the 0.8" width. Stop if the truck becomes tippy in corners or the rear suspension bottoms out easily. Check rear shock preload after adding weight; you may need stiffer springs.
- Symptom: truck tips backward on inclines or feels unstable side-to-side: Likely cause: high center of gravity. Corrective action: add brass rings to all four wheels, using the 1.2" width for maximum lower CG. Stop if the motor or servo overheats or if runtime drops significantly—then switch to lighter rings or remove weight from the chassis. Weigh the truck before and after; keep total added weight under 10% of the rig's ready-to-run weight as a starting guideline.
- Symptom: grip is poor even with fresh tires and proper suspension: Likely cause: insufficient wheel weight for the terrain. Corrective action: install 2.2 brass clamp rings, choosing width based on how much weight you need. Stop if you've added rings to all four wheels and still lack traction—then inspect tire foams, shock oil, and link binding. If no improvement after adding weight, the issue is likely elsewhere; do not keep adding brass.
Product facts
- 2.2 Brass Wheel Clamp Rings (Pair): 2.2 Brass Wheel Clamp Rings come in two widths: 0.8" and 1.2". The wider 1.2" option adds more weight for aggressive climbing, while the narrower 0.8" lets you fine-tune without overloading the axle.
2.2 Brass Wheel Clamp Rings (Pair)
