When you’ve been within the biking universe for some time, you already know Rolf Prima. The Oregon-based wheel firm sponsored the notorious US Postal Service Crew in 1999. Their distinctive paired-spoke design wheels have been a mainstay with the enduring crimson, white, and blue Trek 5500, leaving informal biking followers questioning, “How does that even work?” That sentiment hits once more with the 16-spoke Rolf Prima EOS AR wheels.
Quick-forward many (many) years and Rolf Prima remains to be cranking out high quality wheels. They nonetheless make use of the eye-catching paired spoke and craft a number of the extra distinctive wheels in the marketplace.


Rolf Prima EOS AR
The latest addition to the Rolf Prima line is the all-new EOS AR (all-road), which the Rolf workforce calls its most superior efficiency base wheel to this point.

Solely 16 Spokes
How? Like their present ARES AR providing (reviewed right here), the brand new wheels characteristic a 25mm vast, 40mm deep carbon rim profile and hooked rim design. Rolf added an all-new carbon layup and lowered the spoke depend to 16 spokes entrance and rear.

Why cut back the spoke depend a lot? Rolf Prima says putting the spokes collectively makes an inherently extra aerodynamic wheel. Plus, the equalized spoke-pull creates snappy acceleration. With the EOS AR’s distinctive form and rim power, Rolf might cut back the spoke depend additional, providing a 16/16 disc brake wheel for the primary time within the firm’s 25-year historical past.


Cerakoted Hub Shells and Ceramic Bearings
The wheels roll on ENDURO XD-15 ceramic and stealth-curated hub shells for elevated longevity and putting aesthetics. The entire wheelset weighs solely 1385 grams.

What’s the Weight Restrict? Regardless of the low spoken depend, Rolf attaches no weight restrict to the EOS AR. The engineering workforce confidently speaks in regards to the power and sturdiness of the wheelset. Rolf Prima says the wheel has a extra supple journey high quality whereas sustaining snappy acceleration and exact steering. Now we have some coming for overview, so save your feedback.
“After releasing this wheel’s predecessor, the Ares AR, we realized that the vast, deep rim supplied power and stiffness past every other highway rim we’d designed. So, we might change the layup to scale back weight with out adversely impacting sturdiness. Due to this rim’s particular design and layup, we might cut back spokes with out including undesirable flex.”
William Reen Rolf Prima – Engineer
Rolf Prima EOS AR Pricing and Availability
The brand new EOS AR is obtainable now and retails for $2999.00. Search for a full overview coming
