Shimano Rx870-700c Front Wheel. Conquer gravel with the SHIMANO RX870-700C front wheel. Engineered for faster, further, more fun rides, this first-ever GRX carbon wheel features a 25mm internal rim width optimized for 32-50c tires, ensuring lateral stability at low pressures. Experience the perfect balance of rim weight, strength, and profile for exceptional gravel performance. Center Lock disc brake compatibility and E-Thru axle offer superior rigidity and easy setup. Road 11 & 12-speed compatible. The New Grx Wheel Supports Gravel Rides That Are Faster, Further, And More Fun. Wider Tires Need Wider Rims To Maintain Lateral Tire Stability At Low Air Pressures. Shimano Studied The Complicated Relationship Between Tire Size, Rim Width, Air Pressure, And Tire Lateral Rigidity To Optimize The Grx Rim Width For 32-50c Tires. In Addition, We Pursued The Best Balance Of Rim Weight, Strength, And Profile In Order To Deliver An Exceptional Gravel Wheel.Features:- First Shimano Grx Carbon Wheel- Internal Rim Width: 25 Mm- Road 11 & 12-Speed CompatibleSpecifications:- Average Weight: 639- Spokes_Straight Pull: Yes- Brake Type: Center Lock Disc Brake- Axle Fixing Method: E-Thru- O.L.D. (Mm): 100- Thru Axle (Length X Inner Diameter , Mm)_100 X 12: Yes- Disc Mount_140 Mm Disc Brake Rotor Compatible: Yes- Disc Mount_Center Lock: Yes- Front/Rear: Front- Reflector_As: Cateye Rr-550-Wua Sw- Reflector_Din: Cateye Rr-317-Wua Sw- Reflector_Jis/Cpsc: Cateye Rr-550-Wuw Sw- Rim_Height (Mm): 32- Rim_Requires Rim Tape: Yes- Seal_Hub: Contact- Spokes_Bladed: Yes- Spokes_Butted: Yes- Spokes_Number: 24- Tire_Recommended Size: 32-622 - 50-622- Tire_Type: Tubeless- Wheel Size: 622 X 25c (700c)- Model Name: Wh-Rx870-Tl- Rim_External Width (Mm): 30.7- Rim_Internal Width (Mm): 25- Spokes_Diameter (Mm): 2.0-1.6-2.0- Specification: F12-700cTechnology: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.E-Thru:- The Tool-Less Type Thru-Axle Skewer System Optimizes Rigidity And Weight Balance And Enables Easy Operation With A Reliable Internal Cam Mechanism. The 15 Mm Thru-Axle System Is 15% Stiffer Torsionally And 25% Stiffer In Transverse Shear Than A Traditional 9 Mm Quick Release Front Axle System. High Rigidity Is Secured While Keeping The Optimum Weight Balance. The E-Thru Axle Hub System Minimizes The Distortion Of Suspension While Maintaining Lightweight For Riding Around Sharp Corners At High Speed. An 8 Mm Thru-Axle System For The Trekking/Hybrid Hub And Dynamo Hub And A 12 Mm Thru-Axle System For The Rear Are Also Available. tradeinn Bikeinn