JR LW 17MM Ball-Race Rollers HG Aluminum (Ringless)

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This is a lightweight 17mm aluminum ball-race roller set that is currently available to tune your Mini 4WD car. These rollers provide less weight and a slight boost in speed, as we ll as superior durability and silky-smooth rotation.Features:17mm Lightweight Aluminum Ball-Race Rollers x2Eight holes in each roller make for an individual weight of 0.81 grams, a saving of roughly 0.25 grams per rollerAttachment screws and spacers includedBuilt-in 520 ball bearings provide smooth rollCompatible with Mini 4WD and Mini 4WD PRO cars. Some bodies may require modification Show more