Discover the ultimate solution for integrating modern bikes with your indoor trainer setup with our premium collection of Robert Axle Project Resistance Trainer Thru Axles. Crafted from high-grade 7075 aluminum and finished with hard anodization, these durable components are engineered for strength, precision, and reliability. Designed and tested in the USA, these thru axles enable seamless compatibility between a wide range of high-performance bicycle frames and popular trainer brands such as 1up, Blackburn, Cyclops, Kinetic, and Tacx. Featuring a variety of lengthsfrom 154mm to 198mmand thread pitches including 1.0mm, 1.5mm, and 1.75mm, these axles are thoughtfully designed to accommodate different bike geometries and trainer specifications. Their innovative design includes easy installation and removal with a standard 5mm Allen wrench, making setup quick and tool-free when used with spacers (included where applicable). Each thru axle extends approximately 15mm past the frame on each side, ensuring proper clearance and compatibility for axle mount trainers. Perfect for indoor training, warm-up routines, and race day prep, these thru axles offer a sleek, minimalist style while providing precise performance and stability during high-torque efforts. Whether upgrading your existing setup or customizing a new indoor training system, these components are the optimal choice for cyclists seeking durability, versatility, and compatibility with today’s advanced bike trainers. Elevate your training experience with the trusted engineering and innovative features of Robert Axle Project’s resistance trainer thru axlesdesigned to keep you riding smoothly, indoors and out.