Shimano's RS300 wheels are crammed with technology from their high-end models, all of which comes at an incredible price. With a lightweight aluminium rim teamed to reliable and smooth rolling quick-release, cup and cone hubs, these are great value wheels for winter riding and training.Lightweight 24mm deep aluminium deep is stiff and responsive16 front/20 rear straight-pull spokes are light, durable, easy to replace and improve rigidityAngular contact bearing cup and cone hubs are supremely reliable and easy to maintainRear wheel is compatible with 8,9,10 and 11-speed Shimano/Sram cassettes to help ensure they fit most bikesSupplied with quick-release skewerThe RS300s feature a shallow 24mm aluminium that is lightweight and stiff, yet also provides a smooth, compliant ride. The wheels feature staggered spoke counts; the front has 16 spokes to keep weight low and compliance high, while the rear uses 20 spokes for improved power delivery while stiff offering a light, responsive feel and excellent compliance. These wheels are great for long distance winter rides. The wide 17mm internal width of the rim is also great for larger volume 25-28c tyres.The hubs use Shimano's legendary angular contact bearings that are supremely reliable, easy to maintain and allow precision bearing adjustment to help ensure they run smoothly and drag-free. Labyrinth and contact sealing use low-friction seals to effectively shut out water, mud and dirt as well as helping to keep the wheels feeling lively, with a fast, free-rolling nature.The freehub is compatible with 8, 9, 10 and 11-speed Shimano/Sram style cassettes, so you can be sure these will fit most road bikes. The wheels also come supplied with high-quality Shimano quick-release skewers that will provide years of smooth clamping, making sure your wheels stay tight in the frame and fork regardless of how hard you push them. Lightweight, great value and incredibly durable, Shimano's RS300 Wheels makes the perfect winter training wheels for gritty rides or turbo trainer use.