Tailored adjustment for a precise fit: this skewer offers an easytoadjust width with a spacers set for precise alignment between your bike and trainer. Easy installation and enhanced durability: simply the existing thruaxle with this adapter to begin indoor training quickly, with improved wear resistance and a clean, secure connection. Reliable, quality alloy construction: made from alloy, this cycle trainer skewer is wearresistant and sturdy, resistant to deformation and rust for longlasting performance. Broad compatibility across rearaxle widths: designed for rear axles from 135 mm to 148 mm. Use scenarios Indoor training with mixedbike setups: quickly adapt between different bikes that have rear thruaxles in the 135–148 mm range, using the adjustable width and spacer set to achieve a secure fit every time. Upgrading worn or unreliable thruaxles: a tired throughaxle with this alloy adapter to improve durability and reliability during frequent trainer sessions without compromising fit or safety. Multibike home or environment: accommodate several bikes with varying rearaxle widths for fast, tool swaps and consistent trainer performance. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.