Balancing aerodynamics, weight, and affordability, the new ULTEGRA R8170 C50 wheelset is sure to inspire action on your group ride with its all-new tubeless carbon rim and updated, 11 and 12-speed compatible hub.

Summiting climbs, carving descents, or cruising the flats, the new C50 is the jack of all trades among the new ULTEGRA R8170 wheel lineup. The tubeless, carbon rim features a 21 mm internal width that pairs nicely with wider, modern tires while the HYPERGLIDE cassette body is compatible with 11 and 12-speed cassettes.

FEATURES

50 mm height full carbon rim
Internal rim width: 21 mm
Shared rim profile with R9200 DURA-ACE wheels
Improved aerodynamics

FRONT WHEEL SPECIFICATIONS

MODEL NO WH-R8170-C50-TL-F
SERIES ULTEGRA R8100 Series
Average weight 698
Model name WH-R8170-C50-TL
Specification F
Color|1 Hub shell Series color
Front/Rear Front
Brake type CENTER LOCK disc brake
O.L.D. (mm) 100
Wheel size 622 x 21C (700C)
Tire|Type Tubeless
Tire|Recommended size 25-622 - 32-622
Rim|Height (mm) 50
Rim|Internal width (mm) 21
Rim|External width (mm) 28
Rim|Requires rim tape ✔
Spokes|Number 24
Spokes|Straight pull ✔
Spokes|Bladed ✔
Spokes|Butted ✔
Spokes|Diameter (mm) 2.0-1.6-2.0
Axle fixing method 12 mm E-THRU
Thru axle (length x inner diameter ; mm)|100 x 12 ✔
Disc mount|CENTER LOCK ✔
Disc mount|140 mm disc brake rotor compatible ✔
D2 rim ✔
Seal|Hub Contact
Internal grease sleeve ✔
Reflector|JIS/CPSC CATEYE RR-550-WUW SW
Reflector|AS CATEYE RR-550-WUA SW
Reflector|DIN CATEYE RR-317-WUA SW

REAR WHEEL SPECIFICATIONS

MODEL NO WH-R8170-C50-TL-R
SERIES ULTEGRA R8100 Series
Average weight 872
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
Tire|Recommended size 25-622 - 32-622
Rim|Height (mm) 50
Rim|Internal width (mm) 21
Rim|External width (mm) 28
Rim|Requires rim tape ✔
Spokes|Number 24
Spokes|Straight pull ✔
Spokes|Bladed ✔
Spokes|Butted ✔
Spokes|Diameter (mm) 2.0-1.6-2.0
Axle fixing method 12 mm E-THRU
Thru axle (length x inner diameter ; mm)|142 x 12 ✔
Spline type|HG spline L (ROAD 12/11-speed) ✔
Engagement type Pawl ratchet
Disc mount|CENTER LOCK ✔
Disc mount|140 mm disc brake rotor compatible ✔
OPTBAL (2:1) ✔
D2 rim ✔
Seal|Hub Contact
Seal|FREEHUB body Contact
Internal grease sleeve ✔
Compatible spoke protector CP-WR81A
Reflector|JIS/CPSC CATEYE RR-550-WUW SW
Reflector|AS CATEYE RR-550-WUA SW
Reflector|DIN CATEYE RR-317-WUA SW