These lightweight 17mm Aluminum Ball-Race Rollers feature superb durability and are equipped with 520 ball bearings to offer smooth rotation. In addition, these rollers have less friction against the course walls and can be used for both front and rear roller setups. This particular version uses parts that have a weight reduction of around 30% thanks to their shape and newly-bored holes.
• 17mm Lightweight Aluminum Ball-Race Rollers x2 • Eight holes in each roller make for an individual weight of 0.81 grams, a saving of roughly 0.25 grams per roller. • Small parts for attachment are included. • Built-in 520 NSK ball bearings provide smooth roll. • Compatible with Mini 4WD and Mini 4WD PRO cars. Some bodies may require modification. BUKAN TAMIYA ORI #TAMIYA