Yeah Racing T4/BD8 3mm drive belts
Coming from Yeah Racing are 3mm front and rear belts for the Xray T4. The range included a 513T front and a 189T rear belt, both are suitable for the Xray T4 range of cars while the rear variant is also usable with Yokomo’s BD8 kit. Both 3mm wide belts are cut from high-quality, low-drag material for a long-lasting and free-spinning drive train.
Source: Yeah Racing [yeahracing.com]