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Shimano Ultegra WH-R8170-C60-TL Wheelset – Tubeless – Centerlock – 12×100 / 12×142 mm – HG L / EV | 11/12-speed

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Fact Sheet of Shimano Ultegra WH-R8170-C60-TL Wheelset – Tubeless – Centerlock – 12×100 / 12×142 mm – HG L / EV | 11/12-speed
Product Name: Shimano Ultegra WH-R8170-C60-TL Wheelset – Tubeless – Centerlock – 12×100 / 12×142 mm – HG L / EV | 11/12-speed
Manufacturer: Shimano Parts
Item Code: SHI549928
activity: Cycling
material: Carbon
usage bikesport: Road Bike
spokes: Straightpull / 2.0 – 1.6 – 2.0 mm
shifting system: 10-speed, 11-speed, 12-speed
wheel size: 28″ (622mm)
axle standard: 12x100mm (FW), 12x142mm (RW)
Wheel version: Wheelset, Wheelset 1300-1700g, Standard Wheel
Freehub Body: HG L (Shimano 11/12s Road)
braking system: Centerlock/AFS
tire type: Wire Bead Tire, Folding Tire, Tubeless Ready
ETRTO: 21-622
rim width: 28mm
inner profile width: 21mm
rim profile height: 60mm
freehub system: Pawl
smallest sprocket: 11
Model year: 2023
Color: Black
weight: 1649g
manufacturer item code: EWHR8170C60LFERED
Number of Spoke Holes: 24

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SKU: Shimano Ultegra WH-R8170-C60-TL Wheelset - Tubeless - Centerlock - 12x100 / 12x142 mm - HG L / EV | 11/12-speed Categories: ,
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Description

Shimano Ultegra WH-R8170-C60-TL Wheelset – Tubeless – Centerlock – 12×100 / 12×142 mm – HG L / EV | 11/12-speed

Ultegra R8100 – Leave Time Behind

When developing the Ultegra R8100 series, Shimano took a holistic and 100 % performance-oriented approach, because great speed means great responsibility. Faster than ever before, the 12-speed road groupset scores with unparalleled control and comfort anytime and anywhere – whether in an everyman race, on the hunt for a personal best time or on a companionable ride.

As with the Dura Ace R9200, not only does Hyperglide+ make its way into the Ultegra’s components, also its Di2 parts rely on Wireless technology to simplify operation and ensure smooth shifting.

Shimano Ultegra WH-R8170 wheelset

With the current range, full carbon rims have also made their debut on the wheels of the Ultegra series. As with the Dura Ace counterparts, the balanced relationship between three factors was at the forefront of the development: aerodynamics, stiffness and lower weight.
The Tubeless design of the WH-R8170 wheels not only ensures the appropriate propulsion and efficient power development, but also guarantees reliable performance in daily use. Compatibility with the proven 11-speed as well as the new 12-speed road cassettes is just as practical as comfortable.

C60 rim profile – Lowest drag for maximum speed

With its focus on reduced drag and high stiffness, the WH-R8170-C60 wheelset is ideal for fast racing. The high-profile rims make it possible to put more pressure on the road in corners, so that every bit of power can be converted into forward movement.

While the sophisticated D2 rim design of the 60 mm deep wheels underlines the focus on aerodynamic efficiency, the lightweight hubs not only serve to reduce weight but also benefit the overall stiffness of the wheels. The OPTBAL system with its 2:1 spoke ratio also pursues the same goal and thus further improves the stiffness of the rear wheel.

D2 rim design

Aerodynamic performance is affected by wind direction. When developing the D2 rim profile, Shimano’s engineers took both headwind and crosswind into account to ensure optimum performance under real-world riding conditions.

Extensive prototype testing in the wind tunnel and on the road has shown that a wide rim shape and deep rim well offer the best performance under a wide range of conditions. At yaw angles from 0 to 15 degrees, the D2 rim design reduces drag better than other aerodynamic rims. It also increases the wheel’s lateral stiffness and improves vertical directional stability, resulting in more control, comfort and durability on the road.

OPTBAL

Wheels with the OPTBAL system use a 2:1 spoke ratio, resulting in twice as many spokes on the drivetrain side as on the opposite side. The technology counteracts the unbalanced tension caused by increasing cassette widths, especially on the right side. The OPTBAL construction balances out this spoke tension increasing the spokes’ lifetime and improving the stiffness of the entire wheel as well.

Technical details of the WH-R9270-C60-TL wheelset

tyre type: clincher, folding tyre, Tubeless
cross-section: symmetrical
external width: 28 mm / internal width: 21 mm
profile height: 60 mm

brake disc mount: Centerlock
freewheel body: Shimano HG L / EV (11/12-speed)
freehub type: Pawl
bearing: cup and cone (polished, CBN coated)
seals: contact sealings
O.L.D.: 12 x 100 mm / 12 x 142 mm (thru axle)

aero spokes (Straightpull, double butted, bladed)
spoke count: 24 (front + rear)
front spoke pattern: double crossed
rear spoke pattern: OPTBAL (left radial / right double crossed)

Material:
rims: carbon fiber reinforced polymer (CFRP, painted)
hubs, axles, quick releases: aluminium (anodised)
spokes: stainless steel
nipples: aluminium

Compatibility:
cassette: CS-R9200-12, CS-R8100-12, CS-R8000-11, CS-HG800-11

Weight (manufacturer’s specs):
approx. 1649 grams (wheelset)
approx. 738 grams (front wheel)

approx. 911 grams (rear wheel)

Specifications

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