Shimano Mt501 29´´ Disc Mtb Rear Wheel. Excellent 29er wheels perfect for gravel bike builds or as second wheels. These 700c wheels accommodate gravel tires up to 40mm and are compatible with Shimano 12-speed drivetrains and Center Lock disc brakes. The wheelset offers a noticeable performance improvement for touring and trails. Specifications:- Average weight: 1,238 g- Spokes_J-bend: Yes- Axle_Fixing method: 12 mm E-THRU- Thru Axle Length x Inner Diameter: 148 x 12 mm- Axle_Thru Axle Length x Inner Diameter (mm)_148x12: Yes- Bearing_Cone: CBN- Brake Type: CENTER LOCK Disc- Front / Rear: Rear- O.L.D. (mm): 148- Reflector_AS: CATEYE RR-550-WUA SW- Reflector_DIN: CATEYE RR317-WUA SW- Reflector_JIS/CPSC: CATEYE RR-550-WUW SW- Rim_Height (mm): 21- Rim_Requires rim tape: X (24 - 622)- Rim_Rim joint: Sleeve- Rim_Width (mm): 29.6- Seal_Freehub body: Contact- Seal_Hub: Labyrinth & Contact- Speeds: MTB 12-speed- Spokes_Butted: 2.3- Spokes_Number: 24- Tire_Type: Clincher- Additional Micro Spline 12-Speed Wheel Spec.- Center Lock Disc BrakeTechnologies:Micro Spline:- MICRO SPLINE delivers lightweight aluminum FREEHUB body to reduce weight and 10 teeth top gear.Use combination with MICRO SPLINE cassette sprocket and FREEHUB.Center Lock: - The CENTER LOCK system makes an easy rotor installation possible with spline mount and a lock ring. The lock ring mounting system reduces the total working hours by shortening the amount of time of both installation and de-installation. In addition, the secure fixing by the spline mount enhances precision and rigidity while improving braking efficiency. tradeinn Bikeinn