Name Dr. Pulley Roller Weights 21x17mm (x6) 10.0g Item No. SR211710 Brand DR. Pulley Roller Size 21 x 17 mm Weight 10,0 gr
Dr.Pulley SR roller weights have become increasingly popular. Due to their slightly different shape one set is enough to improve acceleration and top speed equally.
6 roller weights - 21 x 17mm / 10.0g