ULTRON S3 wheel set
THREE SPOKES FRONT AND REAR. BUILT FOR SPEED.
A complete aerodynamic wheelset developed for triathlon and time trial racing.
The ULTRON S3 WHEELSET combines two deep three-spoke carbon wheels into one complete race setup, delivering a distinctive aerodynamic platform for athletes looking for maximum speed without a rear disc.
In stock
World wide shipping in 3-10 days
4
hours
25
minutes
26
seconds
ULTRON S3- KONA SET
THE FASTEST AGE-GROUP BIKE SPLIT IN KONA 2026
Lars Wichert — 4:25:26
At the 2026 IRONMAN World Championship in Kona, Lars Wichert recorded a 4:25:26 bike split on the ULTRON S3 front and rear wheel setup.
A result that proves exactly what this wheelset was designed for — elite aerodynamic performance on one of the most demanding triathlon courses in the world.
ULTRON S3
KEY FEATURES
- ULTRON S3 FRONT + REAR
- THREE WIDE WING-SHAPED SPOKES PER WHEEL
- 85–95 MM OCT AERO VARIABLE RIM DEPTH
- 24 MM INTERNAL WIDTH
- UP TO 34 MM EXTERNAL WIDTH
- OPTIMIZED FOR 28–30 MM TYRES
- TUBELESS HOOKED CONSTRUCTION
- FULL CARBON CONSTRUCTION
- CERAMIC BEARINGS
- RATCHET REAR HUB
- DESIGNED FOR TRIATHLON AND TIME TRIAL
- IDEAL FOR DISC-RESTRICTED RACES
Product specification
front / rear
940g / 1020g
24mm / 24mm
31 mm / 31 mm
28–30 mm
Hooked tubeless (clincher)
Disc brakes- centerlock mount
12x100 mm / 12x142 mm thru axle
Enduro Ceramic
What’s Included
30
DAYS FREE RETURN
2
YEARS INTERNATIONAL WARRANTY
FAQ
Find answers to common questions about our products, orders, shipping, and support.
Can i return my order?
Yes, we offer 30-DAY SATISFACTION GUARANTEE – you can return your order for free.
Do RON ship international?
Yes, we ship all over the world with DHL Express.
Shipping costs will apply, and will be added at checkout.
How long will it take to get my orders?
If your wheels are in stock we aim to have them shipped within 1-3 days. Shipping takes 3-10 days.
Taxes and import duties
All shipments out of EU will incur duties and taxes charged to the end customer via DHL.
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