The

All-Rounder

Handcrafted Purely for racing !

DISC

RIM

TUBELESS

DISC

RIM

Tubeless

Handcrafted

Never compromise
on quality

Purely for racing !

"The All-Rounder

From the rolling terrain in Okinawa to the KOM challenge in Taiwan, Racing Spec 4.2 has shown its limitless potential in the past few seasons.  It is the ultimate all-rounder, ideal for handling all versatile racing conditions.

With its unique 45-mm deep rim shape, the 4.2 offers top-in-class aerodynamic efficiency and stability under cross-wind.  Its 26 mm rim width is designed to equip wide tubeless tires at lower air pressure to maximize riding efficiency.  Specially designed diamond-shaped aero blade spokes cut through the air in low drag.  These spokes are stiff and light, enhancing rapid response.  

Based on TORZC’s second-generation Ultra Smooth Carbon Fiber Moulding Technology, the wheelset is light in weight yet tough enough for daily use.  The Racing Spec. 4.2 is ready to take on any opponents anywhere with you !

Aerodynamics:
4/5
Climbing:
4/5
Stability:
4.5/5

Features

From the rolling terrain in Okinawa to the KOM challenge in Taiwan, Racing Spec 4.2 has shown its limitless potential in the past few seasons.  It is the ultimate all-rounder, ideal for handling all versatile racing conditions.

With its unique 45-mm deep rim shape, the 4.2 offers top-in-class aerodynamic efficiency and stability under cross-wind.  Its 26 mm rim width is designed to equip wide tubeless tires at lower air pressure to maximize riding efficiency.  Specially designed diamond-shaped aero blade spokes cut through the air in low drag.  These spokes are stiff and light, enhancing rapid response.  

Based on TORZC’s second-generation Ultra Smooth Carbon Fiber Moulding Technology, the wheelset is light in weight yet tough enough for daily use.  The Racing Spec. 4.2 is ready to take on any opponents anywhere with you !

Aerodynamics:
4/5
Climbing:
4/5
Stbility:
4.5/5

Specs

Features

Specs

 FrontRear
Weight:615g +/-15g815g +/-15g
Braking System:CaliperCaliper
Braking Surface: DPT™DPT™
Rim Material:Full CarbonFull Carbon
Rim Depth:55mm55mm
Rim External Width:25mm25mm
Spokes:Aero BladeAero Blade
Spokes Count:2024
Spoke System:Straight PullStraight Pull
Spokes Lacing:Radial2:1
Radial DS / 3X NDS
Hub:TORZC RS-FTORZC RS-R
Hub Materials:Aluminium BodyAluminium Body
Titanium Freehub body
Tire Type:TubularTubular
Max. Tire Pressure:
Compatibility:Shimano 9/10/11
Campy 9/10/11
Max. Rider Weight:130 kgs
 FrontRear
Wheelsize: 700c700c
Weight:640g +/-15g870g +/-15g
Braking System:Rim CaliperRim Caliper
Braking Surface: All Condition Brake TrackAll Condition Brake Track
Rim:USMT Full CarbonUSMT Full Carbon
Rim Depth:45mm45mm
Rim External Width:26mm26mm
Spokes:Aero BladeAero Blade
Spokes Count:2024
Spoke System: Straight PullStraight Pull
Hub Materials:Aluminium Body with Carbon Shell Aluminium Body with Carbon Shell
Tire Type:Tubeless ReadyTubeless Ready
Compatibility:Shimano 9/10/11
Campy 9/10/11
XDR
Max. Rider Weight:130 kgs130 kgs

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OUR TECH.

An non-stop evoluation. The art of balancing Weight, Stiffness, Aerodynamic Efficiency, and Durability.

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