The pinion gear set comes with three pinion gears

6S:KV=2400 / 8S:KV=1700

allows for various display options

With a total length of about 11cm

and tight corners with confidence

RCP Tracks - RCP Tracks Mini Z 50cm 45 Degree Kit KYO34471T1C The pinion gear set comesThis accessory kit includes parts needed to create 2 different 45 degree transitions. These kits incorporate 50cm specs that can be combined with other 50cm sets, replacement parts and 50cm accessory kits. Can be used to replace old or damaged parts. 50cm tiles measure approximately 20" x 20" in length and width. Tiles incorporate two different textures. One side is groomed for maximum traction and the opposite side is smooth for a different racing