Lightweight and strong replacement thru axle spacer set to adjust the axle length to create a unique upgrade through axle axle. By combining with the spacer set sold separately, you can adjust the length of the thru axle to match the frame. Features: 7075-T6 Aluminum Outverted Hollow Shaft with Excellent balance between light and strength, Use the M6 Allen key to secure through axles (tools not included). The thru axle and spacer set are sold separately and sold separately. Note: The thru axle can be adjusted in 0.08 inch (2 mm) increments using the "thru axle spacer set" (sold separately). Cannot be used with the thru axle alone. Please use in combination with the "Thru Axle Spacer Set" (sold separately). Spacers are designed to be used on axles alone, so you cannot use multiple pieces together. The through-axle specifications may differ depending on the year of the product. Please check the specifications of the frame and fork axles before placing your order. If you accidentally attach the thru axle with different thread pitch to the frame, it may damage the frame or through axles. Please check the tightening torque specified on the thru axle body before installing. Product Number: BTA11 Axle Diameter / Compatible Shaft Length: M12 4.5 - 4.8 inches (115 - 121 mm) Screw Pitch/Screw Length: 0.04 inches (1 x 15 mm); Weight: 0.9 oz (27 g)