DURA-ACE C40 Tubular Disc Brake Rear Wheel

WH-R9170-C40-TU-R12

DURA-ACE_R9100_m

WH-R9170-C40-TU-R12

DURA-ACE C40 - Carbon - Tubular - Disc Brake - 12 mm Thru Axle - CENTER LOCK - Rear Wheel

The most versatile in the DURA-ACE wheel lineup, the C40 is the perfect blend of light weight and aerodynamics. The 40 mm ultralight carbon rim is fast and stable in the windiest of conditions. The C40's stiff construction makes it the choice of ProTour sprinters and climbers alike.

  • Best all-round wheelset
  • Balanced low inertia & aerodynamics
  • Responsive acceleration
  • Improved drive rigidity
  • OPTBAL spoke system
  • Lightweight within rigid
  • Road E-THRU 12 mm
  • Ultra-light full carbon rim
  • Disc brake system
  • CENTER LOCK

TECHNOLOGIES

PRODUCT SPECIFICATIONS

MODEL NO WH-R9170-C40-TU-R12
SERIES DURA-ACE R9100 Series
Color Series color
Average weight 763 g
   
Remarks * The adapter is needed to use 10-speed cassette sprocket
OPTBAL
Axle_Fixing method 12 mm E-THRU
Axle_Thru Axle Length x Inner Diameter (mm)_142x12
Bearing_Cone CBN finish
Bearing_Cup CBN finish
Bearing_Stainless ball
Brake Type CENTER LOCK disc brake
Compatible Spoke protector CP-W1460
Disc mount_140mm Disc rotor compatible
Disc mount_Center lock
Front / Rear Rear
Internal grease sleeve
O.L.D. (mm) 142
Rear speeds 10*/11
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) 37
Rim_Width (mm) 28
Seal_Freehub body Contact
Seal_Hub Contact
Spokes_Bladed
Spokes_Butted
Spokes_Number 24
Tire_Recommended size 23-622 - 32-622
Tire_Type Tubular
Wheel Size 700C

SERIES LINE-UP

  • Bottom Bracket DURA-ACE Press Fit Bottom Bracket 86.5 mm shell width
  • Brake DURA-ACE Dual-Pivot Brake Caliper
  • Brake DURA-ACE Direct Mount Front Brake Caliper
  • Brake DURA-ACE Under Bottom Bracket Mount Rear Brake Caliper