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Shimano Dura Ace WH-R9270-C60-TL Wheelset - Tubeless - Centerlock - 12x100 / 12x142 mm - HG L2 | 12-speed

Shimano Dura Ace WH-R9270-C60-TL Wheelset - Tubeless - Centerlock - 12x100 / 12x142 mm - HG L2 | 12-speed


Dura Ace R9200 – Never Compromise

The Science of Speed. Speed was the mainspring in the development of this 12-speed road bike series of a new generation. Several years of research produced those innovations that make the Shimano Dura Ace R9200 even faster. Every component has been revised, refined and optimised to enable the decisive seconds of advantage – whether as a breakaway from the peloton or in the finish sprint on the Champs-Élysées.

The electronic Di2 parts rely on Wireless technology where it matters to make shifting even faster and more reliable. Smooth shifting is also the aim of the Hyperglide+ system, already known from the MTB segment, which is designed to bring out maximum performance and the full potential of every racer.


Shimano Dura Ace WH-R9270 wheelset

The wheels are a decisive pillar in Shimano's "Science of Speed" development concept, they literally bring the rider's performance to the road.

To meet this demand, the engineers have paid attention to an optimal balance of three factors according to the different areas of use: aerodynamics, stiffness and lower weight.


C60 rim profile – Lowest drag for maximum speed

With a focus on aerodynamic efficiency and high stiffness, the WH-R9270-C60 wheelset is ideal for sprints and high-speed use. The high-profile rims and the stronger spokes compared to them of the "flatter" models make it possible to put more pressure on the road in corners, so that every bit of power can be converted into forward movement.

Also noteworthy are the sophisticated D2 rim design and the special High Rigidity (HR) rim construction which increases lateral stiffness by 20 % for a powerful response. While the completely redesigned hubs not only reduce weight but also improve the overall stiffness of the wheels, the 60 mm high rim profile with its design for minimum air resistance underlines the suitability of the set for flat stages and time trials. 

The new wheel generation not only shines with reduced air resistance, but also offers technical refinements. Thanks to Direct Engagement technology, the freewheel hubs offer outstanding drivetrain stiffness which results in an even more direct feeling of power transmission and is particularly noticeable in the starting torque. On the C60 model, the OPTBAL system with its 2:1 spoke ratio also improves the stiffness of both wheels.


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.



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 L2 (12-speed)
  • freehub type: Direct Engagement
  • bearing: cup and cone, 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)
  • spoke pattern: OPTBAL (left radial / right double crossed)



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


cassette: CS-R9200, CS-R8100

Weight (manufacturer's specs):

approx. 1609 grams (wheelset)
approx. 751 grams (front wheel)

approx. 858 grams (rear wheel)


Scope of supply:

front wheel + rear wheel, incl. Tubeless rim tape

Fact Sheet of Shimano Dura Ace WH-R9270-C60-TL Wheelset - Tubeless - Centerlock - 12x100 / 12x142 mm - HG L2 | 12-speed

Product Name: Shimano Dura Ace WH-R9270-C60-TL Wheelset - Tubeless - Centerlock - 12x100 / 12x142 mm - HG L2 | 12-speed
Manufacturer: Shimano Parts
Item Code: SHI549903
activity: Cycling
material: Carbon
usage bikesport: Road Bike
spokes: Straightpull / 2.0 - 1.8 - 2.0 mm
shifting system: 12-speed
wheel size: 28" (622mm)
axle standard: 12x100mm (FW), 12x142mm (RW)
Wheel version: Wheelset, Wheelset 1300-1700g, Standard Wheel
Freehub Body: HG L2 (Shimano 12s only Road)
braking system: Centerlock/AFS
tire type: Wire Bead Tire, Folding Tire, Tubeless Ready
fitting tire dimensions: 25-32mm
ETRTO: 21-622
rim width: 28mm
inner profile width: 21mm
rim profile height: 60mm
freehub system: Direct Engagement
smallest sprocket: 11
Model year: 2023
Color: Black
weight: 1609g
manufacturer item code: EWHR9270C60LFEREDX
Number of Spoke Holes: 24
Freewheel System: Ratchet
Manufacturer page: