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The JSumo JS4311 Aluminum Silicone Wheel Set is a slim, high-grip wheel pair made for compact robots that need a bigger wheel diameter without too much width. With a machined aluminum hub and soft silicone tire, this wheel set is a great fit for mini sumo robots, line follower robots, and other lightweight robot builds that need clean grip and smooth rolling.
JSumo describes this as one of its thinnest wheel options for mini sumo and line follower use. That makes it a smart choice for robots where space is tight, weight matters, and you still want good traction on the floor.
Original JSumo product: We list this item as a distributor, so the product title now starts with JSumo for clearer brand matching.
Why builders choose this wheel set
- Thin wheel profile: Easier to fit into compact robot builds.
- Large diameter for its width: Good balance of clearance, speed feel, and slim size.
- High traction silicone: Soft tire helps improve grip on smooth surfaces.
- Machined aluminum hub: Stronger and more stable than basic plastic wheel hubs.
- Secure shaft fit: M4 tapped setscrew helps hold the wheel firmly in place.
What you can build
This wheel set is ideal for mini sumo robot builds, line follower robots, and other light drive platforms where a narrow wheel helps with chassis layout and turning response.
It also works well for custom robot projects, student competition builds, and prototype platforms that need a slim but grippy wheel with a clean mechanical fit.
Starter bundles
- Browse JSumo robot parts for matching wheels, motors, chassis parts, and accessories.
- Line follower robot parts for sensors, controllers, and drive parts.
- Mini sumo robot parts for competition-ready builds.
Recommended add-ons
- DC gear motors for compact robot drive systems.
- Motor brackets for easier mounting.
- Robot chassis parts for new builds and upgrades.
- Hex tools for quick setup and adjustment.
Technical specifications
| Product name | JS4311 Aluminum - Silicone Wheel Set |
|---|---|
| Model | JS4311 |
| Product code | JS15479 |
| Wheel diameter | 43 mm |
| Overall width | 11 mm |
| Silicone width | 8 mm |
| Weight | 17.7 g each |
| Silicone hardness | 20 Shore A |
| Center hole diameter | 3 mm |
| Shaft locking | M4 tapped setscrew |
| Suggested use | Mini sumo robots, line follower robots, lighter robot builds |
Fitment & shaft notes
This version uses a 3 mm center hole and an M4 tapped setscrew to secure the wheel to the motor shaft. Please check your shaft diameter before ordering to make sure the fit is correct.
Because this is a thin wheel design, it is especially useful where chassis space is limited or where you want a slimmer contact profile.
What’s in the box
- 2 x wheels
- 2 x M4 setscrews
- 1 x Allen wrench
Compare with related JSumo wheel options
| Product | Size | Shaft / hub fit | Best for |
|---|---|---|---|
| JSumo JS2622 Silicone Wheel Pair | 26.5 × 22 mm | 3 mm | Compact mini sumo and line follower builds |
| JSumo SLT20P Silicone Wheel Pair | 33 × 20 mm | Fits 12/15/16 mm gearbox motors | Heavy-grip mini sumo builds |
| JSumo Atom Silicone Wheel 37x34mm Pair | 37 × 34 mm | 3 mm | Wide traction for lighter robots |
| JSumo JS4311 Aluminum - Silicone Wheel Set (43 x 11mm - Pair) | 43 × 11 mm | 3 mm | Thin wheel profile for light robots |
| JSumo JS4320 Aluminum - Silicone Wheel Pair (43mm x 20mm) Pair (4mm Hole) | 43 × 20 mm | 4 mm | Non-magnetic sumo and small combat robots |
| JSumo JS4030 Rubber Wheel Pair | 40 × 30 mm | 6 mm | Larger traction wheel for stronger pushing robots |
FAQ
Is this sold as a pair?
Yes. This product includes two wheels in one set.
What shaft size does it fit?
This version has a 3 mm center hole, so it is made for compatible 3 mm shaft setups.
What robots is this best for?
It is best for mini sumo robots, line follower robots, and other light robot builds that need a thin but grippy wheel.
Is the tire soft or hard?
The silicone tire is rated at 20 Shore A, which helps provide strong grip.
Does it include the hardware?
Yes. The set includes two wheels, two M4 setscrews, and one Allen wrench.
Manila stock. Order before 16:00 PHT, ships today via J&T or LBC. Provincial: 1–3 working days.
Schools / class POs: we accept Purchase Orders for accredited schools and universities. contact us with your PO details.
Returns: 7-day inspection window for DOA units. Email proof of issue and we ship a replacement.
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