Rear Hub Conversion Adapter — converts a 130 mm rear hub spacing to 135 mm to fit frames with a 135 mm opening. Key benefits Avoid replacing your hubs: lets a 130 mm hub wheel fit a 135 mm frame, saving time and money. Simple and fast installation: attach the adapter to the hub, then gently spread the frame to install — no specialized tools or hub rebuilding required. Preserves wheel performance: adapt existing wheels to different frames instead of buying hubs or wheels. Compatibility and function Designed specifically to convert a 130 mm rear hub opening to 135 mm. Compatible with frames that have a 135 mm rear dropout spacing. Works with road bikes that have 130 mm hubs when you need to mount them into a 135 mm frame. Installation Place the conversion adapter onto the hub. Gently spread the frame dropouts and seat the axle into the 135 mm opening. The process is straightforward and requires minimal effort. Practical use scenarios Swap a road bike rear wheel (130 mm hub) onto a 135 mm mountain bike frame for training or mixedsurface rides. Use a spare 130 mm wheel on a 135 mm frame after a roadside or while traveling, avoiding the need for replacement parts. Bike or home mechanic tool for testing or temporarily fitting wheels across frames with different rear spacing. Why choose this adapter Costeffective solution for adapting wheelsets to different frame standards. Quick, loweffort installation that keeps your original hubs intact. Practical for riders who share wheels between bikes or who travel with limited spares.