Mini 4WD Rollers Guide
A complete Mini 4WD roller guide: 9mm to 19mm sizes, plastic against aluminium and rubber-ringed options, and how each behaves through a lane change.
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Tamiya Double Aluminum Rollers (9-8mm)(15403)
USD13.50
USD10.80
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Description
A smaller-diameter addition to Tamiya's double aluminum roller line-up, combining a 9mm and an 8mm stepped section in a single precision aluminum part. Compared with the 13-12mm version, these rollers are roughly half the weight, letting builders reduce unsprung roller mass and explore a wider range of setups.
Like the 13-12mm version, these rollers carry Tamiya's broadest chassis listing, spanning Type 3 through Zero, FM, FM-A, Super-1, Super-II, Super FM, Super TZ, Super X, Super XX, Super TZ-X, VS, MS, AR, MA, VZ, and ME. Their smaller diameter also means less rotating mass sitting at the point furthest from the chassis centreline, which is exactly where trimming weight does the most to reduce a car's moment of inertia through S-curves and lane changes.
- Stepped roller diameter: 9mm / 8mm
- Material: aluminum, roughly half the weight of the 13-12mm version
- 520 ball bearings included
- Listed chassis compatibility: Type 3 through ME (19 chassis)
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