Shimano warrants to the original retail purchaser that the Shimano bicycle division product for which they received this warranty, is free from non-conformities in material and workmanship for a period of two years and their Dura-Ace and XTR components are covered for a period of three years from the date of original retail purchase. Shimano footwear, soft goods and wheels are warranted for a period of one year.

• Best all-round wheelset
• Balanced low inertia & aerodynamics
• Responsive acceleration
• Improved drive rigidity
• OPTBAL spoke system
• Lightweight within rigid
• Ultra-light full carbon rim
• Easy maintenance
• Digital cone bearing adjustment system
• MODEL NO: WH-R9100-C40-TU-R
• DURA-ACE R9100 Series
• Series color
• Average weight: 747g
• Remarks: * The adapter is needed to use 10-speed cassette sprocket
• Brake type: Rim brake
• O.L.D.: 130mm
• Rear speeds: 10*/11mm
• Axle Length: 141mm
• Axle Diameter: 14mm
• Axle Fixing method: Quick release
• Quick release skewer length: 163mm
• Quick release skewer length: 168mm
• Compatible spoke protector: CP-W124
• Digital adjustment system
• Front/Rear: Rear
• Grease holding function
• OPTBAL (2:1)    
• Quick release nut_Color: Series color
• Reflector AS: CATEYE RR-550-WUA SW
• Reflector DIN: CATEYE RR-317-WUA SW
• Reflector JIS/CPSC: CATEYE RR-550-WUW SW
• Rim Height: 37mm
• OFFSET RIM
• Rim Width: 28mm
• Seal FREEHUB body: Contact
• Spokes Bladed    
• Spokes Butted    
• Spokes Number: 21
• Tire_Recommended size: 23-28 inch - 28-28 inch
• Tire Type: Tubular
• Wheel Size    : 700C
• Spokes Straight Spoke

Must be installed and serviced by qualified bicycle mechanic