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The Shimano E-Thru Axle 148x12mm I-Type is designed to deliver a stiff, secure connection between your rear wheel and frame, giving you precise handling and reliable power transfer on every ride. Built around the popular 148x12mm Boost standard, this thru-axle helps widen the hub stance for improved wheel strength and better tire clearance, making it a great choice for modern mountain bikes and aggressive trail riding. The E-Thru system is known for its solid engagement and dependable clamping force, helping to reduce flex and keep your wheel exactly where it should be, even under hard cornering and heavy braking.
This I-Type axle is engineered for easy, repeatable installation, so wheel changes are quick and hassle-free whether you are in the workshop or out on the trail. Shimano’s proven quality ensures smooth threading, durable materials, and long-term resistance to wear and corrosion. Ideal as an upgrade or a direct replacement for a damaged or worn axle, it restores confidence in your bike’s rear end and keeps your drivetrain and disc brake alignment consistent. Pair it with a compatible Boost rear hub and frame to enjoy a more precise, responsive ride.
