JA Parts for Short Joint Model JC21 Pipe Clamp Base Compatible Black [REC-MOUNT25] (Base Mount) 31.8mm/28.6mm/1inch(25.4mm)/22.2mm [RM25-JC21]

Please be sure to read the product description (this is the detailed part). If you are using a computer, please click "See more". The ball size that this product supports is approximately 25mm. The base mount (JC parts for short joints) is sold separately (the first image shows all accessories). A holder attachment (JA parts for short joints) is required (sold separately). Base mount material: 6061 aluminum For handlebar clamp diameter 31.8mm (1.25inch) (rubber shims for 28.6mm (1-1/8inch), 25.4mm (1inch), and 22.2mm are included) New model (successor to RM25-C1/RM25-C2)