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As we speak, Fast Professional formally launched three new bike frames: the UR:ONE, XR:ONE, and TR:ONE. I summarized all the main points we all know up to now under.
UR:ONE – A Loopy Gentle All-Rounder
The UR:ONE is an ultra-light, all-in-one highway body that suggestions the scales at simply 680g in dimension M, a determine that instantly places it in the identical league as frames just like the Evolve Cima and the Winspace SLC5. It represents the brand new “ultralightweight” route from Fast Professional and visually sits between the AR:ONE and the ER:ONE of their lineup. In line with Fast Professional, the UR:ONE is round 100g lighter than a like-for-like AR:ONE, though that declare will have to be verified as soon as the manufacturing body hits impartial scales. In China, the body is predicted to retail for round 18,600 RMB (roughly $2660), together with built-in handlebars, whereas pricing for Western markets has not but been confirmed.
A lot of the burden saving seems to come back from using higher-grade carbon and really minimal paint, with all 4 obtainable coloration choices being black. Past weight, the geometry has additionally been revised. The UR:ONE reportedly encompasses a larger stack and a decrease backside bracket than the AR:ONE, adjustments that ought to make the bike extra steady and forgiving, although arguably much less aggressive than a pure race-focused design.
Tire clearance stays at 32mm, protecting it trendy and versatile. Using premium particulars, akin to ceramic headset bearings, helps clarify the upper worth level. From a efficiency standpoint, the mix of low weight and claimed aero effectivity makes this one of the crucial formidable frames Fast Professional has launched up to now, with growth and validation carried out on the Silverstone Sports activities Engineering Hub.
XR:ONE – A Gravel for Bike Packers
Subsequent up is the XR:ONE, a gravel-oriented bikepacking body priced at 10,998 RMB. It presents a number of mounting factors (equally to YOELEO G21 Altera), making it good for journey driving setups. It will increase the GR one’s tire clearance from 45mm to 50mm.
TR:ONE – A Strong Chinese language Triathlon Body?
Then there’s the TR:ONE, Fast’s new triathlon body, apparently designed in collaboration with BMC. It comes with a little bit of a cringey advertising slogan (Triathlon Fast Aero First), however design-wise, it appears fairly cool. I particularly just like the rear triangle. As normal on triathlon bikes, it has a water storage compartment and options you gained’t see on UCI-approved TT bikes.
Primarily based on the Club100 video and their go to to Fast Professional within the Silverstone wind tunnel, I discovered the next. Please excuse any factual errors, as I translated the video from Chinese language.
Fast Professional carried out skilled wind tunnel testing at Silverstone to judge its highway bike lineup, together with a comparability with the Specialised SL8.
Exams had been carried out at 30, 40, and 48 km/h, throughout yaw angles from –20° to +20°. All bikes used the identical setup, and each empty-bike checks and fixed-position model checks had been carried out to higher replicate actual driving circumstances.
Within the comparability with the SL8, the ER:ONE, Fast Professional’s pure aero race bike, confirmed a transparent benefit in crosswinds, saving as much as practically 4 watts at excessive yaw angles. The SL8 had a small benefit in direct headwind because of its smaller frontal space, however total, aero bikes carried out higher in aspect winds.
The principle focus of the take a look at was the UR:ONE, Fast Professional’s latest body. UR:ONE weighs simply 680g, together with paint and {hardware}, making it the lightest body within the lineup. Regardless of its low weight, UR:ONE delivers aerodynamic efficiency very near the ER:ONE.
Wind tunnel outcomes present that UR:ONE is commonly barely sooner than the AR:ONE climbing bike and solely marginally behind the ER:ONE in some angles, with variations measured in fractions of a watt. At larger speeds, UR:ONE stays constantly aggressive.
Total, UR:ONE achieves its purpose of mixing very low weight with robust aerodynamic effectivity, making it a extremely balanced, all-round race body.
I’m engaged on discovering out extra particulars. I’m gonna replace this text as soon as I do know extra.
