Stainless Steel Bicycle Back Seat Mount Quick Release Rear Carrier Well, apparently some riders also want to carry a little more than just some flat fixing items. Commuters, for example, often use a second road bike and fit it with a rack to carry their work sundries. Features: - V-brake bike rear rack. - Easy to mount and remove without tool. - Fits for V-brake bicycle, and parts of Disc-brake bicycles. - The diameter of the hole at the bent side is 10mm. - Material: Aluminium alloy. - Mount Type: Frame mount. - Load weight: Carries up to about 60kg. How to mount: If there are holes on the seat stay, you can mount it directly. If there is no holes, you can fix it on the seat-post quick release. Not included: U-style / seat-post quick release / screws or bolts.