MOTO-D 6MM Swingarm Spools Black 6MM Swingarm Spools for Yamaha Motorcycles 2.7CM in diameter, 3CM in height, the screws are 1.5CM in height. Anodized (Black) with the laser engraved "MOTO-D" logo. Made from T-6061 Aluminum Billet, 1-Year Warranty. Ships Quick from USA