The Synthesis Aluminium 2.0 E-Bike Boost CB Ratchet Wheel by Crankbrothers is a high-quality wheel specifically designed for e-bikes. With a diameter of 29 inches, it offers an optimal combination of stability and agility, making it ideal for various types of terrain. The wheels are made from robust aluminum, which not only reduces the weight to about 1.5 kilograms but also increases durability and resilience. The cassette mount is compatible with Shimano HG, allowing for easy integration into existing drivetrain systems. The wheel has an axle size of 148x12 mm, ensuring secure and stable mounting. The black color gives the wheel a modern and appealing design that seamlessly fits into the aesthetics of many e-bikes. This wheel is an excellent choice for anyone who values performance and quality and wants to elevate their e-bike experience to a new level.