Road Cycling

A large part of the B-Twin not holding speed will be due to tyres & hubs and to some extent being less aero.

I've had a Propel and now have my Emonda. I can/could ride either just as fast.

The biggest thing I think is getting into an aero position. We're both riding Emonda's, whilst the frame tubing is not aero - the geo does tend (at least imo) to put you into an aero position, which is key.

I see some riders out on the roads & in Sportives etc riding aero bikes upright like Mary Poppins, may as well pop a basket on the front. :D
 

This was another one that was on my shortlist too. If it had come in a better colour this year...

Going back to Aero bike chat, they 100% make a difference. My Oltre feels noticeably quicker on the flat and downhill. Probably a combination of frame and wheels though as I have 35mm deep rims on it.

This weekends riding for me is going to consist of hill repeats up some of my local climbs I think as I can't make any of the club rides. If I'm going to ride by myself I may as well make it a sufferfest!
 
been looking at quite a few of them as well :)

try chucking on some fit/geo stats as extra columns, I'd add headtube angle, stack and reach. The Cervelo C series has 71.5 head angle same as the Mason, that tells me it'd be very stable and boring, wouldn't touch it personally.

I found some reviews saying the canyons come in heavier than their site says. i.e. 7.4kg bikes actually weighing 7.7kg. Dunno if they are all like this.

I've just been looking at the geo' figures for the current PX Pro Carbon. That doesn't look too different from my frame - my large is listed as being 73deg head angle. I can't say I find it twitchy but then it's the only road bike I've owned! I noticed the Definition in 58cm (I'm 6'1) is listed at 72deg so a little closer. Reilly Cycleworks have a geo page but doesn't say if applies to all frames or not. Both 57 and 59cm are 73deg.


Cheers Roady - I saw RCUK put a very positive review of it yesterday (here), so I've added it to my Excel file.

I quickly weighed my PX last night. It still had the saddle bag on (which has a couple of tubes, micro pump, multi-tool and some other bits along with F/R emergency lights) and it was ~8.8kg. Comparing that to my Excel table, I think it's pretty respectable for an old carbon frame design, and cheap wheels (PX Model B). Hence I don't expect to notice a real difference in weight unless a new bike is in the low seven-point something KGs. I am hoping a couple of test rides will show up a better ride - the PX can seem to be very "buzzy" on poor road surfaces (so most roads these days!).

I've read what you posted yesterday about effectively ending up with disc version of the PX. I had been leaning more towards sportive bikes as the majority of my riding is solo, so comfort is a factor. However, I am keen to look at something like the Foil which gets praised for ride quality. Perhaps that where frame design & technology has moved on in 10 years (you can't make carbon frames that much lighter without being very expensive or riding like a cooked noodle).
 
Does an aero frame benefit you in turbulent air that a bunch of riders would create... or only when riding on your own?! ;)

Would you notice the difference between the two speed wise (doubtful) but stiffness wise, perhaps if you were a larger more powerful rider.

If you’re already small and light, are you better playing to your strengths and riding something like an Emonda with 202s, or riding a Madone with 404s to try and help you on the flat and average out your performance. Or does it not matter at all at a recreational level....

There was a much larger in depth version of this but can’t find it on my phone.

https://www.cervelo.com/en/engineering-field-notes/weight-vs-aero

Or do you get the lighter bike and put an aero handlebar on since that accounts for a good percentage of the drag....
 
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The biggest thing I think is getting into an aero position. We're both riding Emonda's, whilst the frame tubing is not aero - the geo does tend (at least imo) to put you into an aero position, which is key.

I see some riders out on the roads & in Sportives etc riding aero bikes upright like Mary Poppins, may as well pop a basket on the front. :D

Yep and I think being in that aero position generally incentivises you to ride a bit harder so you go faster and this little cycle continues until you blow up :D

A lot of people go from riding sportive/all day geometry to aero bikes and more aggressive positions. There's also that 'new bike' boost to factor too.

Going back to Aero bike chat, they 100% make a difference. My Oltre feels noticeably quicker on the flat and downhill. Probably a combination of frame and wheels though as I have 35mm deep rims on it.

It's not really a fair comparison.

Replace the rims & positioning with that of your other bike to get a fairer picture of the aero benefit of integrated cabling, tube profiles and frame dynamics.

It's all ultimately marginal gains but they don't IMO make a significant difference though it may be notable.
 
Picked up a couple of goodies in the sale,

Pair of Oakley Jawbreaker lenses, Mark Cavendish Editions
Few inner tubes, various lubes, set of frame protector covers & a pair of dhb roubaix cycling tights for the winter.
 
Another thing I've noticed, albeit briefly, is a kind of resonating/whooshing when at higher speeds from the 65mm wheel at the back. Sounds pretty cool, just a shame most of the time I can only hear wind with the weather lately :p
I regularly get other riders shouting ‘car Up’ when I’m coming up behind them :p
65mm front and rear :)

In terms of aero making a difference.
It definitely does : I went from a non aero bike on upgraded lightweight wheels (Allez) to a full aero bike (Aeroad) and the difference was amazing.

- I improved my top speed going down the same hill by 20mph. Same aero position on the bike.(67mph top speed vs 47mph)
- improved my average speed by 2mph+ over the same course and very similar power.
- on my club rides I always out free wheel the whole group going downhills on their non aero bikes.

I’ve never looked back :)
 
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Picked up a couple of goodies in the sale,

Pair of Oakley Jawbreaker lenses, Mark Cavendish Editions
Few inner tubes, various lubes, set of frame protector covers & a pair of dhb roubaix cycling tights for the winter.
Do you have any Sportives planned this year?
 
Rain sucks :( so do punctures.

First front puncture ever I think. Hideous rain overnight and constant drizzle just washes all the crap in to the middle of the road. Ended up aborting the club run and heading home instead to finish up on the trainer. Hands & feet had already gone and zero enjoyment being had with another 2 hours made it an easy decision!

Also only had 50psi in the front by the time I got home. Getting fed up with **** pumps & CO2 valves. Curse the day I lost my original trusty Lifeline valve!
 
Can you fix mine as well? ;) Oddly enough, went to get my bike ready for a ride tomorrow and the front was flat and I only fixed a flat on the front a few weeks ago.

As an aside, I’ve been in agony suffering from a sciatic nerve problem all week. Luckily being stretched out on a bike seems to help relieve the pain, just hope it doesn’t aggravate it.
 
Can you fix mine as well? ;) Oddly enough, went to get my bike ready for a ride tomorrow and the front was flat and I only fixed a flat on the front a few weeks ago.

As an aside, I’ve been in agony suffering from a sciatic nerve problem all week. Luckily being stretched out on a bike seems to help relieve the pain, just hope it doesn’t aggravate it.

Changing a tube in itself isn't a pain, in fact I'm really indifferent to puncturing. But when you're with a group holding everybody up and it's cold & raining, you can't feel your hands and know that inflation is sub-par it blows more than a blowy thing.

Pretty sure I've done a tube change in a couple of minutes, including stopping & rolling away, before when it's dry & warm.

Bank holiday coming up, which is looking promising... will give you a shout for some miles :) :cool:
 
Anyone use Gaerne cycling shoes?
Looking for a new pair of shoes & have seen a pair of Gaerne Composite Carbon Chrono+ shoes on offer for £195.

Reviews look good but I'd like to hear from anyone who actually has real life experiences with them.
 
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Changing a tube in itself isn't a pain, in fact I'm really indifferent to puncturing. But when you're with a group holding everybody up and it's cold & raining, you can't feel your hands and know that inflation is sub-par it blows more than a blowy thing.

Pretty sure I've done a tube change in a couple of minutes, including stopping & rolling away, before when it's dry & warm.

Bank holiday coming up, which is looking promising... will give you a shout for some miles :) :cool:


This is why tubeless is awesome. I've been an hour into a mtb ride, heard air spitting out. Stop, spin the wheel and carry on at 5psi less :)
 
Full winter clobber here. :mad:

Still had cold toes anyway and descent after short cafe break... brrr!

Exercise Induced Asthma said hello as well so I was coughing like mad while trying to consume a carrot cake and pretend I'm not dying. I may have to get some salbutamol sorted out!
 
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