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Pretty sure they do. It's teams like Trek who's helmet sponsor don't (Bontrager) make a TT helmet that have a choice.

Bigham could have only optimised within the 3-4 Kask helmet options, sizes, visor combinations etc. The Giro might 10w faster but he can't wear it. So the short answer is maybe.

Specific to Ganna, he moves his quite head a lot so what's fastest on him isn't likely to be the perfect tunnel tested option in any case, but that'll be factored into the final choice.

horses for courses

Exactly this. Do whatever test you can best execute a max effort for. None of them are perfect.

I race just under, at, or a bit over my threshold, so knowing what my max power is for durations between 20 minutes to an hour is important. I like these: https://www.trainingpeaks.com/blog/the-physiology-of-ftp-and-new-testing-protocols/ as they are useful for setting TTE and then you can optimise the length/distribution of lactacte clearance stuff. Anything much shorter than 20 minutes I don't really care what my max numbers are.

If you use intervals.icu you can go out and do some short, medium and long max efforts and it'll give you a good idea of your FTP, I think someone said one max effort is all you need but I'd want a spread of sprint, v02 and long aerobic efforts personally to derive a decent number.

Why would it skew it though? you are just riding a bunch of 1 min intervals are you not, where you need to hold an average power until you fail an interval? I haven't done a ramp test for years, all I remember is it was really easy and then really intense for a few minutes at the end and it gave me a massively high FTP estimate.

tldr @ghostface I hadn't seen that but yes, I agree with Jesse. This idea that you can cheat the shorter tests by sprinting at the end....ok, but if you want an accurate test, just...don't sprint at the end.

I've not heard amazing things historically about Hunt (and won't move from LB) but https://www.huntbikewheels.com/products/hunt-50-carbon-disc-wheelset for £679 doesn't seem like a bad deal.

Except those wearing the latest S-works Torch laceups

As in, if you can squeeze more out by standing during a ramp test, should you? I would get the maximum number you can by whatever body position means, you would during a tough interval session anyway..

Edge AL 56 I think

Am pretty sure the Surly Ultra hubs are either fixed or free on one side only, the other obviously housing the disc rotor.

Could you use a lockring with a freewheel same as a the fixed cog?

I'm 6"2' so probably, might need a shorter stem though.

Parting ways with faithful commuter. I should convert this to flat bar to help with the fit issues I've always ignored (long legs short arms but too lazy to switch to a short stem) but work have finally moved office to one with lockers and showers so the need for a sensible bike with a rack are diminishing.

I bought the frame off eBay a number of years ago, it was a custom paintjob (the Reynolds sticker joke was not mine!) and I built it up with a set of wheels off here and basic finishing kit. The horrible Fizik pink bar tape has held up suprisingly well. With wide tyres and guards it's a really smooth ride and requires very little maintenance other than pads and replacing the chain every few years. I had previously run with both front and rear racks but settled with just the BLB on the front. Never used the dynamo in the end, was assured the SP hub worked when I bought but haven't the means to test I'm afraid. Since photos have sorted the rear mudguard with an actual SKS clip. Horribly bungy cords will be removed...

Parts
Frameset: Genesis Day One, either 2013 or 15/16, can't tell
Wheels: Surly rear SP front to Alex rims
Tyres: Panaracer 650b slicks 38c
Brakes: Tektro Spyre cable discs
Shifters: RRL's
Finishing: Genesis/Condor/Selcof

Geometry (will check this)
Reach: 396
Stack: 593
Top Tube (effective): 580
Seat Tube C-T: 580
Head Angle: 72
Seat Angle: 73
Head Tube: 160
Chainstay: 425
Wheelbase: 1031
Standover: 838
BB Drop: 70
Fork Rake / Offset: 45
Trail: 66

The Bad

• there's some paint rub on the fork on one side from doing tracklcross in Epping during lockdown when I stupidly took the mudguards off. Can't see it with the guards on but it wasn't deep.
  
• there are some nicks in the tyres, everything has sealed fine but they aren't in pristine condition
  
• am selling as seen but will keep the pedals.
  
  

All in a really bombproof setup that has got me in and out of town 2-3 times a week with very little complaint. Looking for £300 collected in E17 but can meet central if that helps. No posting sorry.

Iirc the flex comments were aimed at the original Avian. Not seen it for the updated version which I have...in any case I can't get mine to flex. But then am road bike TT-ing rather than being the Vansevenant on the club ride.
As to machining issues, again, no complaints with mine but that's n=1.

For context, I'm tall and naturally slim, but I can put muscle on - used to play rugby and was 90-95kg compared to the 75kg I am now. Although some of that was beer weight thinking about it..but yeah diet was the main thing then as otherwise just did what the strength coach told us.

I've lifted as a complimentary side to cycling for a good few years now, but this winter I'm considering hitting it a bit harder (to the weight detriment hopefully it riding) to get more lower body volume. Any tips? Unfamiliar with body building resources online.

This is a gbj_tester question if ever the forum posed one

Yep, 61806 and 71806 have the same dimensions, not sure what the difference is, maybe the seals.

Imho it's simple, test to give a true setting on zones with the your best power. Then do your threshold L3/L4 stuff in position but be ok about having to sit up to finish them. Leave L5+ training to the road bike.

No idea, but the weight difference between the first and second iteration is 40g and the Falcon II a bit cheaper so I didn't consider.

Also I am ~75kg with cyclists arms so not the best person to comment...

I was saying replacing the BSA30 bearing, not the whole threadfit BB. The actual bearings themselves are 71806.

Could you buy a basic one and the tool to swap the bearings out? Means you have bearing replacement capability and you can replace with a decent bearing when you need to. I run a BSA30 and only the NDS ever needs replacing so my Amazon bearing tool has come in very handy.

I wanted but never in stock in 120/130mm in 36 or 38cm.

Went with the Avian Falcon above, there is a beefier version of the original which is still about 250g lighter than the Hollowgram setup it was replacing, and comes with the same printed spacer you specify. Could do without the bird decal but it's relatively subtle/it was bought for narrow width/performance, not aesthetics.

I am aware of good testers closing the FTP gap to a few %, but they are probably not as fit as they would be had they done more training in a traditional position so it's not something I focus on or try to compare.

I think Bigham interviewed about narrowness of hands which he says generally tests faster on almost everyone, and is roundly more uncomfortable for everyone...but it is inherently trainable eventually without physiological limitation on power output.

I agree with all of this - and don't get disheartened if the ratio of pos to out of pos isn't great to begin with. It will improve....

In short, I used to do threshold work and above all at TT FTP but have found better results having 'true' power zones and accepting that when doing TT position work I may have some sessions where I can't hold it for the full interval. I don't see any benefit in high intensity work done in position at 90% of what I can do, as I am so rarely racing above 110% FTP in position other than accelerating out of turns etc.

I think it's useful to have max effort for the duration of the TT you are training for, ie 18-25 min range for a 10 mile.

However a lot of riders to begin with have a big delta between power they can produce in the position Vs not, so if you set all your zones lower than what you can actually do, then any sessions you are doing above threshold will be less than what you can physiologically do. make sense?

By all means if you can commit to doing every single training session (including 30/30's, V02 etc) on the bike in the pos then eventually that gap might close.