Model No
WH-R8170-C50-TL-R
Series
ULTEGRA
Model name
WH-R8170-C50-TL
Specification
R
Color
1 Hub shell
Series color
Front/Rear
Rear
Brake type
CENTER LOCK disc brake
Rear speeds
12/11
O.L.D. (mm)
142
Wheel size
622 x 21C (700C)
Tire
Type
Tubeless
Recommended size
25-622 - 32-622
Rim
Height (mm)
50
Internal width (mm)
21
External width (mm)
28
Requires rim tape
✔
Spokes
Number
24
Straight pull
✔
Bladed
✔
Butted
✔
Diameter (mm)
2.0-1.6-2.0
Axle fixing method
12 mm E-THRU
Spline type
HG spline L (ROAD 12/11-speed)
✔
Engagement type
Pawl ratchet
Disc mount
CENTER LOCK
✔
140 mm disc brake rotor compatible
✔
OPTBAL (2:1)
✔
D2 rim
✔
Seal
Hub
Contact
FREEHUB body
Contact
Internal grease sleeve
✔
Compatible spoke protector
CP-WR81A
Reflector
JIS/CPSC
CATEYE RR-550-WUW SW
AS
CATEYE RR-550-WUA SW
DIN
CATEYE RR-317-WUA SW
Average weight
872
Color
Series color