87052

    Track 80*139mm (Pair) SKU: 87052 Weight: 123.00 Gram What Is Track 80*139mm (Pair)? The internal tack of his integrative rubber track has synchronous belt teeth which enable the track to work with Makeblock 90T and 62T crawler wheels. Features ? Made of black environmental silica gel; ? Concave and convex pattern; ? 70HA hardness; ? Internal tack has synchronous belt tooth. Demo: Size Chart:   Specifications SKU 87052 Product Name Track 80*139mm (Pair) External diameter 148mm Internal diameter 139mm Width 30mm Gross Weight 123g Package Content (Quantity x Part Name) 2 x Track 80*139mm                                                          https://store.makeblock.com/track‐80‐139mm‐pair/2‐26‐19