Ride 100 London-Surrey Bike Setup

cdc02254

I'm trying to work out which wheels to use for the event on Sunday, I know it may be a bit of a strange question but thought there maybe someone else thinking the same.

I have a nice set of 58mm deep carbon tubs and a set of 32mm deep tubs.

The course is quite flat and the hills are not more than cat 4 so my gut instinct is the 58mm but my start time is 7:30 so maybe I wont get the chance to use the 58's.

Any thoughts?

turnerjohn

your riding the event on tubs ?...so what you do if you puncture ?!.....London roads you know ?!

cdc02254

I don't run on anything else. Tubs all the time and only two punctures in three years (touch wood)

Worst case scenario 15mm change taping the new tub on.

andyeb

Weather forecast is looking OK, but quite windy, including gusts up to nearly 30 mph. I don't think deep sectioned wheels sound like a good idea.

Stedman

I am doing it on 50mm deep tubs with 52/38 x 11-23 gear ratio.

Anonymous

Stedman wrote:

I am doing it on 50mm deep tubs with 52/38 x 11-23 gear ratio.

Can anyone beat that?

Stedman

Carbonator wrote:

Stedman wrote:

I am doing it on 50mm deep tubs with 52/38 x 11-23 gear ratio.

Can anyone beat that?

It is possible with a 53/42 x 11-23 gear ratio!

buzzlightyear1

Carbonator wrote:

Stedman wrote:

I am doing it on 50mm deep tubs with 52/38 x 11-23 gear ratio.

Can anyone beat that?

53/42 x 11-25

cdc02254

Not sure I can beat it but:-

54-39 x 11-28 and I think im going to go for the 58mm deep tubs.

rickyrider

Stedman wrote:

I am doing it on 50mm deep tubs with 52/38 x 11-23 gear ratio.

Oof - Leith Hill on 38/23 sounds painful to me!

thegreatdivide

Just a 50/34 12/27 for me - but running my daft light low profile Roval wheels with tubs, Tufo juice and a spare Tufo tub.

Leesykoi

i'm in the 7.30 start as well and running Mavic Carbon Cosmics clinchers !!!

Stedman

rickyrider wrote:

Stedman wrote:

I am doing it on 50mm deep tubs with 52/38 x 11-23 gear ratio.

Oof - Leith Hill on 38/23 sounds painful to me!

Back in March I did a 39x23 test run on Leith Hill with my winter bike in order to check that this would work and it did. I have lost some weight since then, so hopefully it should be better this time.

I have also used the 38x23 configuration in this year Etape Caledonian.

Anonymous

I normally have 50/34 with a 12-25 cassette but stuck an 11-28 on as insurance for the hills.
After going up Leith and Box hill a few weeks back I am not sure it was really necessary tbh, but maybe my legs/chest will thank me on the day.

cdc02254

Done last years etape stage 2 on....

53-39 x 11-25

What an oversight that was...

rickyrider

Stedman wrote:

rickyrider wrote:

Stedman wrote:

I am doing it on 50mm deep tubs with 52/38 x 11-23 gear ratio.

Oof - Leith Hill on 38/23 sounds painful to me!

Back in March I did a 39x23 test run on Leith Hill with my winter bike in order to check that this would work and it did. I have lost some weight since then, so hopefully it should be better this time.

I have also used the 38x23 configuration in this year Etape Caledonian.

If its tried and tested then nice one - think I might struggle with that combo though! You must be gunning for a fast time if you are comfortable with those ratios? 5 hrs (perhaps a smidge under?)

rich_e

I'm going to be running a 50/34 with an 11-28 cassette.

I actually just changed to 11-28 from a 11-25 which I had used when I tried out all the Surrey Hills on the course a few weeks back. I'm not the lightest of riders, and found with 11-25 I was really mashing the cranks by the time I got to the top of Leith Hill. Those extra three teeth help a little bit better for spinning up steep hills I've found thus far.

chrisaonabike

I'm at the other end of the range... 50/34 and 12-30 on bog standard Giant wheels.

Catch me if you can

Stedman

rickyrider wrote:

Stedman wrote:

rickyrider wrote:

Stedman wrote:

I am doing it on 50mm deep tubs with 52/38 x 11-23 gear ratio.

Oof - Leith Hill on 38/23 sounds painful to me!

Back in March I did a 39x23 test run on Leith Hill with my winter bike in order to check that this would work and it did. I have lost some weight since then, so hopefully it should be better this time.

I have also used the 38x23 configuration in this year Etape Caledonian.

If its tried and tested then nice one - think I might struggle with that combo though! You must be gunning for a fast time if you are comfortable with those ratios? 5 hrs (perhaps a smidge under?)

Wouldn’t use it though on Winnats or Hardknock Pass and you are correct, aiming for a 5 or smidge under.

markos1963

ChrisAOnABike wrote:

I'm at the other end of the range... 50/34 and 12-30 on bog standard Giant wheels.

Catch me if you can

I didn't realise Ventoux was on this ride?

rickyrider

Stedman wrote:

rickyrider wrote:

Stedman wrote:

rickyrider wrote:

Stedman wrote:

I am doing it on 50mm deep tubs with 52/38 x 11-23 gear ratio.

Oof - Leith Hill on 38/23 sounds painful to me!

Back in March I did a 39x23 test run on Leith Hill with my winter bike in order to check that this would work and it did. I have lost some weight since then, so hopefully it should be better this time.

I have also used the 38x23 configuration in this year Etape Caledonian.

If its tried and tested then nice one - think I might struggle with that combo though! You must be gunning for a fast time if you are comfortable with those ratios? 5 hrs (perhaps a smidge under?)

Wouldn’t use it though on Winnats or Hardknock Pass and you are correct, aiming for a 5 or smidge under.

Good luck - hope the crowds at the start don't hamper things too much. Anyone who gets a sub 5 on this should be pretty pleased with themselves.

paul2718

I'm trying to decide whether I need to swap the 11-25 currently in place with an 11-28. This is with 53/41 on the front. I got up Winnats Pass on the 41x28 but it wasn't pretty. OTOH the 11-25 seems to run more smoothly. Man up or have a backup? Hard to decide. I think it is only a part of Leith Hill that goes over 10%?

Paul

mbthegreat

markos1963 wrote:

ChrisAOnABike wrote:

I'm at the other end of the range... 50/34 and 12-30 on bog standard Giant wheels.

Catch me if you can

I didn't realise Ventoux was on this ride?

I have the same setup and am glad of it on occasion, thank you very much

oneof1982

mbthegreat wrote:

markos1963 wrote:

ChrisAOnABike wrote:

I'm at the other end of the range... 50/34 and 12-30 on bog standard Giant wheels.

Catch me if you can

I didn't realise Ventoux was on this ride?

I have the same setup and am glad of it on occasion, thank you very much

Quite right too. There is a lot of tosh talked about big rings in cycling.

cdc02254

Exactly, I have a big ring and it doesn't seem to have any affect on my cycling.

Stedman

paul2718 wrote:

I'm trying to decide whether I need to swap the 11-25 currently in place with an 11-28. This is with 53/41 on the front. I got up Winnats Pass on the 41x28 but it wasn't pretty. OTOH the 11-25 seems to run more smoothly. Man up or have a backup? Hard to decide. I think it is only a part of Leith Hill that goes over 10%?

Paul

From my experience Leith Hill has 3 short 10% + sections in the last third of the climb. Winnats Pass is in a completely different league with half a mile climb at 20% +. If you can climb Winnats on a 41x28, you are a stronger rider than I am and at 48 inch gearing (41x25), you should be fine. I have even done the Leith Hill climb sitting down on my heavy winter bike with 50 inch gearing.

Mr Will

I've got a 9 speed 50/34 and have switched from a 12-25 to a 12-23 for this - I figured I'll want the 16t in the middle more than the 25t at the low end. If I had aero wheels then I'd be packing them too!

markos1963

oneof1982 wrote:

mbthegreat wrote:

markos1963 wrote:

ChrisAOnABike wrote:

I'm at the other end of the range... 50/34 and 12-30 on bog standard Giant wheels.

Catch me if you can

I didn't realise Ventoux was on this ride?

I have the same setup and am glad of it on occasion, thank you very much

Quite right too. There is a lot of tosh talked about big rings in cycling.

I wasn't talking about big rings, I use a compact on my road bike. I was referring more to the cassette, I can't imagine anywhere in Surry where you would need a 30t

mbthegreat

markos1963 wrote:

oneof1982 wrote:

mbthegreat wrote:

markos1963 wrote:

ChrisAOnABike wrote:

I'm at the other end of the range... 50/34 and 12-30 on bog standard Giant wheels.

Catch me if you can

I didn't realise Ventoux was on this ride?

I have the same setup and am glad of it on occasion, thank you very much

Quite right too. There is a lot of tosh talked about big rings in cycling.

I wasn't talking about big rings, I use a compact on my road bike. I was referring more to the cassette, I can't imagine anywhere in Surry where you would need a 30t

Yes but some of us are heavy and weak.

chrisaonabike

markos1963 wrote:

I wasn't talking about big rings, I use a compact on my road bike. I was referring more to the cassette, I can't imagine anywhere in Surry where you would need a 30t because I may have my faults but modesty isn't one of them

FTFY.

VO2min

Well I'm using a bog standard 50x34 compact on the front, and a 12x25 on the back.

At a cadence of 80rpm that gives a maximum speed of 26.2mph (which I doubt I'll be doing except on descents) and a minimum of 8.6mph (which I can hopefully beat up the hills) so what is basically stock gearing on a lot of road bikes should cover anything from 4 hour finishers to those racing the broom wagon. I guess 28's or 30's on the back would be handy for anyone who is worried about the hills.