You are right, those are R8000s; the 8100 is the newer 12 speed model. I’m
still trying to get clear on the 7400 series …

And the FD is a SRAM as it worked better for the previous owner. I do have
the Ultegra, though.

On Mon, Oct 20, 2025 at 7:35 PM Chris Cullum <[email protected]> wrote:

>
>
>
> On Mon, Oct 20, 2025, 17:41 Patrick Moore <[email protected]> wrote:
>
>> I just got back from a very nice, moderately hilly, and quite windy 20
>> miler. I’ve long since codified my preferred setup, but the first 100 miles
>> always involves many stops, decreasing in frequency as the miles increase,
>> for fine tuning saddle height and tilt and bar tilt. By mile 16 I had it
>> all refined pretty much to perfection, and it is all very comfortable
>> indeed. I averaged 11.6 mph clock running from the very many stops to
>> adjust and re-adjust things, mostly saddle height and tilt, which involved
>> futzing with the saddle bag.
>>
>> I replaced the Conti Gatorskin 28s and heavy-ish butyl tubes with
>> Stampede Pass EL 32s and TPU tubes, each tube holding ~2 fl oz of OS
>> regular; replaced the 100 mm 90* stem with a 90 mm 15* (?) stem, also a
>> Ritchey — *So* glad I stashed a couple of Ritcheys away; added an
>> original edition Flite from my collection (I decided to use a tried and
>> true benchmark of 30 years in order to avoid more mid-ride fine tuning than
>> did occur; see below. I also greased and installed my second pair of Dura
>> Ace  7410 (mountain SPD) (road SPD sic) pedals with pedal washers.
>>
>> The cranks — again, Ultegra 11 speed R8100 — are the post-warranty,
>> improved model; the seller was very clear about that.
>>
>
> Nope. Those are R8000 cranks. The R8100 is more square-ish looking. They
> might be late gen R8000 when they allegedly fixed the bonding issue. Check
> the serial number. Or they may have been checked as "OK" in the LBS
> inspection. But they are definitely in the suspect group.
>
> The Q is about 145; just right. But those arms are thick!
>>
>> I don’t so much mind the black color, tho’ I do think that forged and
>> polished aluminum looks much better, as I do the susceptibility of the
>> anodizing to scratching and scuffing. I put a wrap of helicopter tape
>> around the base of the seatpost to protect it from the saddlebag strap, and
>> installed double pedal washers so ensure that my feet clear the crank arms,
>> particularly the right, that has a bunion.
>>
>> The 11 speed Ultegra drivetrain behaved impeccably; business as usual.
>> I’d not used indexing (in fact, I’d not used a stock drivetrain) since,
>> IME, problematical 7 speed XT, and 11 speed has it down just right.
>> Indexing is truly mature technology.
>>
>
> The front derailleur is not the same generation as the shifters so might
> not be optimal. If you have issues maybe consider matching it to the same
> generation.
>
>>
>> My own preference is to pedal through a range of cadences and torque
>> levels before shifting — I *like *to stand and climb, and I usually give
>> up early and coast on downhills (tho’ when I shift, I want just the right
>> gear, not an approximation, especially in the 60” to 80” cruising range),
>> so the ease of shifting is largely lost on me; I hope this convenience does
>> not make me fall into the sin of shifting every time the wind shifts or the
>> incline varies by 1/2 a degree.
>>
>> It has been — what, 15 years? — since I owned a derailleur road bike; the
>> last one was the blue Ram with first 7 speed and then 9 speed doubles. I’d
>> forgotten how much *easier* it is to ride such bikes in any conditions
>> other than flat and still, with gears for any wind or hill, and effortless
>> coasting downhill, compared to riding fixed, even with 2 or 3 fixed gears
>> to choose from, and even compared to 3 relatively closely spaced freewheel
>> gears as with a SA AM hub.
>>
>> The outer ring is a 50, and I think that the inner is a 34. The cassette
>> is an 11-32; tho’ why anyone besides a pro or top-level amateur racer wants
>> a 124” gear is a question I can’t answer. I’m happy with a mid 90s top
>> gear, this on a gofast road bike.
>>
>> I can live with the 18 to 20 t drop, 76” to 68”, but what is unforgivable
>> is the jump from 18 to 16, 76” to 85”. That’s just too damned big in the
>> fast cruising (tailwind) range.
>>
>> But at least the main cruising gear, 50X18, 76”, is just to the left/NDS
>> of a straight line, and with modern chains and 44 cm stays (c bb to c
>> dropout) this particular obsession is really only of academic interest.
>>
>> But, I am no longer used to crossover drivetrains; all the derailleur
>> bikes I’ve owned in the last 20+ years have been 1xs or 1xs + granny, with
>> the big ring centered on the cassette. One of the biggest annoyances of
>> modern cranks is that you can’t swap bb spindle lengths or laterally adjust
>> them to center the big ring on the center of the cassette.
>>
>> The left shows the stock and current gearing, the right shows more
>> reasonable gearing:
>>
>> 27.3" wheel 27.3" wheel
>>   50 34   50 34
>> 11 124   14 98
>> 12 114   15 91
>> 13 105   16 85
>> 14 98   17 80
>> 16 85   18 76
>> 18 76   19 72
>> 20 68 46 21 65 44
>> 22 62 42 23 59 40
>> 25 55 37 25 55 37
>> 28 49 33 28 49 33
>> 32 43 29 32 43 29
>>
>> I still have new bike smell in my imagination, but it seemed that the
>> Stampede Pass ELs with TPU and 2 fl oz OS reg are as easy to pedal as the
>> ineffably nice Elk Passes, also TPUs and OS, on the t999 fixed custom, this
>> by the usual metric of ease of turning over given gears in given conditions
>> on routes ridden thousands of times over the decades. The SPs measure 31.6
>> mm — will probably stretch a bit more — on the Rich-built wheels using 23
>> mm OW Velocity rims.
>>
>
> They will stretch for sure.
>
>>
>> The Roadeo is definitely nimbler than the Ram was, even when the Ram was
>> shod with ~31 mm Challenge Paris Roubaix tires. Delightful, and it is very
>> close to the nimble yet stable handling of my 26” wheel road customs.
>>
>> The tall wheels cut sharpness of small abrupt bumps; 28 55-60 vs 32
>> 50-55; roughly 2” taller than 559 wheels of similar width. As cush as 559 X
>> 52 at 35-40.
>>
>> The original owner was my size and I only had to slam the Flite all the
>> way back on the no-offset Thompson post, raise it by ~5 mm, and play with
>> the tilt.
>>
>
> Maybe an offset post is a better idea than having the saddle jammed all
> the way back on the rails.
>
> But with an Asian build, albeit on a 5’11” scale, the bar was too far away
>> on the 10 cm stem and too low at 90*. The 9 at +15* puts the bar at clamp
>> about 1: — 1.25" below saddle, just a bit higher than my other, fixed/fxed
>> IGH, road bikes.
>>
>> The 42 cm bar a bit too wide but I can live with it; a 40 or even a 38
>> (those on my other road bikes are 38) would be better. The very long ramps
>> on the STI levers just about exactly make up for the micro reach on the
>> modern “anatomical' bar, so all is spot-on with saddle-to-bar and
>> saddle-to—hood lengths. But I dislike "anatomical” bars; the hooks are less
>> comfortable, especially for my very sensitive left palm. If I keep the STI
>> shifters I’ll have to look for a “round” curve drop bar with almost no
>> reach.
>>
>
> Ritchey Classic bend is round and short reach, as is Soma HWY 1. I
> actually like the new parabolic drops. For me it's more ergonomic but this
> is a personal thing.
>
>>
>> The CF cages save 1.36 kg compared to common and contemptible stainless
>> steel cages, and make me decidedly faster up hills.
>>
>
> This is true. Removing the metal cages and 2 x 650ml full bottles, and
> replacing with CF cages will save ~1.36 kg.
>
>>
>> Total weight ready to ride with pedals and cages is 20.6 lb. With seat
>> bag and extensive kit (incl 4 fl oz bottle of OS) total weight is 22.2 lb.
>>
>> Lastly, RH agreed to warranty the 559 TPU tube with the bad valve-to-tube
>> interface; thank you, RH! I’ve ordered a total of 24 TPU tubes this year, I
>> think, and 18 in the last month, for 559 X 28 and 559 X 42 and 622 X 32
>> tires on 3 bikes. Work perfectly with OS regular.
>>
>> Even more lastly, the one photo taken during the ride shows that recent
>> rains have made the Rio Grande flow again. It’s still shallow far below
>> normal but it’s much better than the 5-mile total dry-up that happened a
>> couple of months ago.
>>
>> You can be assured that more, oh much more, is to come.
>>
>
> Nice ride. Enjoy!
>
>>
>>
>>
>> --
>>
>> Patrick Moore
>> Alburquerque, Nuevo Mexico, Etats Unis d'Amerique, Orbis Terrarum
>>
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>

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Patrick Moore
Alburquerque, Nuevo Mexico, Etats Unis d'Amerique, Orbis Terrarum
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