As the riding season winds down (at least for this fair weather rider) I am still not completely content with the quality of ride compliance and certain aspects of handling from the R-002. Enter the on-going efforts to refine the machine and its set-up. So to this end, chassis package development continues on the Archetype-X R002 in order to find further improvements in both performance and comfort.
The initial cockpit iteration of the R-002 was comprised of an 80mm, 17° stem with Conti 23mm Ultra Sport tires. As early development progressed, cockpit iteration two included a switch from the the 80mm to the 90mm, 17° stem riding the Conti Ultra Sports and then later, the decision to mount the Vittoria Zaffiro 25mm Pro slicks tyres.
While iteration three now incorporates a 100mm length stem but with only a 5° rise. The stack height is now 24mm’s, being that the change was made from a 17° rise to a 5° rise stem, I then swapped the spacers from top of the stem to the bottom of the stem. This change was implemented in order to keep the drop from the saddle tip to the top of the bar at the preferred 2.5 inches or 63.5 mm’s.
This 100mm length stem further shortens the gap between the front axle and the center of the bar, which has effectively ‘slowed’ the steering down a bit more. (by increasing the distance/turning arc of the bars)
The Washington Valley Loop through Watchung and Martinsville hosted the one-day test session. Subsequently, after the 30 mile run, the expected positive results of the modifications made were indeed confirmed.
These stem and stack modifications and slight changes in the saddle position settings now provide even greater stability while affording me the luxury to carry additional entry speed into the turns when descending and cornering fast. The bikes initial twitchy/nervous steering is now completely gone. The Vittoria shod R-002 feels planted and rock solid on fast descents or when cornering quickly. (albeit only on smooth roads though)
As is often said, proof is in the pudding so to speak…I was able to garner the top spot in a local descent. A fast, technical right-left-left combo with the first right and then left being blind. From the last time I had ‘pushed’ it through that section, a -14 second improvement with a 32 mph average over the 0.7 mile run were the end result.
6 thoughts on “September Testing (R-002 test session IV)”
Next up, flip that stem upside-down to match the angle if the top tube. To do that, spend one hour, once a week, only in the drops… You’ll make yourself more flexible. Bike still looks awesome brother.
Unfortunately, because of the arthritis in my shoulder, back, hip and knees and the damaged neck nerve, I’m about as flexible as I’ll ever be! Hence the narrow delta from the top of the bars to the saddle tip.
I’d guessed you had issues looking at the setup. Be comfy is the key no point ending a ride in pain and not wanting to bother again for weeks.
Bike looks clean how many miles you put on it ?
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Yes, many negative physical issues! 😀
But you have spot on, if I cannot make it semi comfortable, what is the point?
This has been a very tough and difficult year Ricey. My PA has flared up so much, and my knees and shoulder have been in a lot of pain. I’m hoping that eases a bit come the Spring.
Bike is clean…always cleaning it! The matte black is super difficult to keep clean. It shows every little mark and scratch too.
I have approx 2600 miles on it now. A few issues here and there.
The QC at UIS/Zhongwei has proven to be inconsistent.Structurally, the frame and fork seem to be holding up okay, but the seat tube, the bottom bracket plastic housing, the cage mounts and the overall finish are subpar. Would I buy another? I’m not so sure. I would at least look at Yoleo or perhaps Falcon. Hopefully UIS improves their manufacturing processes.
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