Versatility. Dominance. The DURA-ACE WH-R9370-C50-TL is an all-round race wheelset optimized to deliver lightness, stiffness, and aerodynamics at race speeds. From the initial design stages, testing by world-class cyclists guided development toward achieving an optimal balance of lightness, rigidity, and aerodynamic efficiency. In addition to carbon spokes, the radically redesigned rim and hub structure ensures significant weight reduction—bringing the set to 1,302g (159g lighter than the previous WH-R9270-C50 model)—for more precise responsiveness on climbs and during acceleration. This design maintains optimal stiffness at professional speeds, ensuring stability during sprints and high-speed cornering. The new rim profile delivers high aerodynamic efficiency, helping to maintain speed across a wide range of conditions.
FEATURES Rim depth: 50 mm Wheelset weight: 1,302 g (Front: 593 g / Rear: 709 g) Designed for 28-30C tires: 23 mm internal rim width reduces rolling resistance and maintains tire stiffness Aerodynamically optimized rim: over 5.4 million shape simulations resulted in a 6% aerodynamic improvement over the previous model Carbon spokes: carbon spokes optimized to balance low system weight with stiffness Spoke count - Front 21 / Rear 21: combined with mixed-diameter carbon spokes to ensure lightness and stiffness for versatile use Hooked tubeless rim: supports a wide range of tire compatibility Cup-and-cone bearing system: easy maintenance and precision adjustment ensure speed and durability Rear wheel - DIRECT ENGAGEMENT: superior stiffness for maximum power transfer
FRONT Item Code: EWHR9370C50LFEDB EAN Code: -
PRODUCT SPECIFICATIONS Model Number: WH-R9370-C50-TL-F Series: DURA-ACE Model Name: WH-R9370-C50-TL Specifications: F12-700C Color: 1 Hub shell / Black Brake Type: CENTER LOCK disc brake O.L.D. (mm): 100 Wheel Size: 622 x 23TC (700C) Tire: Type: Tubeless / Recommended Size: 28-622 - 45-622 Rim: Height (mm): 50 / Internal Width (mm): 23 / External Width (mm): 31 / Rim Tape Required: YES Spokes: Number: 21 / Diameter (mm): 2 Axle Fixing Method: E-THRU Disc Mount: CENTER LOCK: YES / Compatible with 140 mm disc brake rotor: YES OPTBAL (2:1): YES Seal: Hub: Contact Reflector: JIS / CPSC: CATEYE RR-550-WUW SW / AS: CATEYE RR-550-WUA SW / DIN: CATEYE RR-317-WUA SW Average Weight: 593 g
REAR Item Code: EWHR9370C50RFEDB EAN Code: -
PRODUCT SPECIFICATIONS Model Number: WH-R9370-C50-TL-R Series: DURA-ACE Model Name: WH-R9370-C50-TL Specifications: R12-700C Color: 1 Hub shell / Black Brake Type: Brake CENTER LOCK disc Sprockets: 12 O.L.D. (mm): 142 Wheel size: 622 x 23TC (700C) Tire: Type: Tubeless / Recommended size: 28-622 - 45-622 Rim: Height (mm): 50 / Internal width (mm): 23 / External width (mm): 32 Rim tape required: Yes Spokes: Number: 21 / Diameter (mm): 2 Axle fixing method: E-THRU Spline type: HG L2 (Road 12-speed specific): Yes Engagement type: Direct engagement Disc mount: CENTER LOCK: Yes / Compatible with 140 mm disc brake rotor: Yes OPTBAL (2:1): Yes Seal: Hub: Contact / FREEHUB body: Contact Reflector: JIS / CPSC: CATEYE RR-550-WUW SW / AS: CATEYE RR-550-WUA SW / DIN: CATEYE RR-317-WUA SW Average weight: 709 g
EWHR9370C50P-HG
Data sheet
Diameter
700
Code
SH260926
Compatible with
Shimano
No customer reviews for the moment.
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The Racing 6 is an entry level wheel with a race-ready soul.
Who it is for and how to use it
Ideal for
Road racing cyclist
Designed for those seeking a versatile race wheelset with an aerodynamic setup, stiffness and low weight. The 1.302 g weight and 50 mm rim depth are aimed at precise response on climbs, under acceleration and in sprints.
Riders using Shimano 12v
Suitable for those seeking a wheelset compatible with Shimano, with the CENTER LOCK standard and a 12v specification on the rear wheel. The configuration is intended for a consistent setup with modern road components.
Cyclists wanting broad use in varied conditions
Indicated for those who want a road wheel capable of maintaining speed and stability across a wide range of conditions. The rim profile and carbon spokes are designed to balance efficiency and control.
Use cases
Ideal
Road racing and sprinting
The 50 mm profile, stiffness and DIRECT ENGAGEMENT system on the rear wheel support power transfer and stability at race speeds.
Cerchio 50 mm · Direct engagement · Freno a disco
Very suitable
Climbing and accelerations
The 1.302 g weight and carbon construction support a more precise response when accelerating or increasing pace after a corner or change of rhythm.
1.302 g · Carbonio · Accelerazione
Suitable
Road use in variable conditions
The aerodynamic design and 23 mm internal width help maintain efficiency and control across a wide range of road conditions.
Larghezza interna 23 mm · Aerodinamica · Strada
Who it is for
Road racer
Looks for
A lightweight, stiff wheelset oriented towards speed.
Why
This wheel combines a 50 mm rim, carbon and a multi-purpose racing setup for road competition use.
Shimano 12v rider
Looks for
Compatibility with Shimano and the CENTER LOCK standard.
Why
The 12v rear configuration and CENTER LOCK disc mount make the set consistent with a Shimano road system.
Frequently asked questions
What is the weight of the wheelset?
The wheelset weighs 1.302 g. The figure is also given as 593 g at the front and 709 g at the rear.
What is the rim depth?
The rim has a depth of 50 mm. This profile is geared towards road aerodynamics.
Is it Shimano compatible?
Yes, the stated compatibility is Shimano. The rear wheel is specified for 12v.
What disc mounting system does it use?
It uses the CENTER LOCK system. It is also stated as compatible with a 140 mm disc brake rotor.
What tyre type does it allow?
It is a hooked tubeless rim, with recommended sizes 28-622 - 45-622. The 23 mm internal width is designed for 28-30C tyres.
Show all (6)What type of hub engagement does the rear wheel have?
The rear wheel uses the Direct engagement hub type. This supports a more direct response in power transfer.
Information prepared by the BSA team with the support of AI, based on the manufacturer's specifications.
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