- Service: Your satisfaction is our priority. If you are not satisfied with our product or have any questions, please contact us. - Material: Bike hub conversion adapters made from aluminum alloy. High strength, anti-rust, and designed to maintain shape without deformation. - Fine workmanship: CNC machining provides a smooth exterior finish, precise fit, and improved resistance to abrasion and damage. - Function and compatibility: Converts front hub from 100x15 to 110x15 and rear hub from 142x12 to 148x12, expanding compatibility across different frame and hub standards. - Performance and benefits: Lightweight, durable, and reliable. Built to withstand typical riding conditions while preserving hub alignment and integrity. - Use scenarios: - Front hub upgrade: Use these adapters to fit a 100x15 front hub into a frame or fork that requires 110x15. - Rear hub upgrade: Convert a 142x12 rear hub to 148x12 to match newer frames or wheelsets that use 148x12 spacing. - Shop or fleet flexibility: Keep a set on hand in a bike shop or for mixed wheelset fleets to quickly service customers with differing hub standards.