Numpty IM Bike Thread

Bike ponces only welcome if they don't speak in tongues

201 to 220 of 11,977 messages
26/07/2005 at 16:06
'strenuous touring' ... LOL!
26/07/2005 at 16:09

High pressure stuff you know. 15 Mars Bars per day and only the pub for comfort in the evening.
26/07/2005 at 18:36
Well, I'd just like to thank all the bike numpty masters for their invaluable advice - it worked a treat when I went to the bike shop - I was able to talk about groupsets and compact chainrings and stuff! I think I fooled 'em!

Although I kind of strayed onto talking about Campag gear which might have been a mistake cos it was outside of my blagging knowledge.

Does this mean that I graduate from Numpty Bike School, or do I still have a long way to go?
26/07/2005 at 21:30
Gear changing mechanisms. Can anyone give us a description about the variety out there? Last time I had a road bike, both levers were on the down tube (the diagonal bit that goes from beneath the handlebars to the bottom bracket). When I came to test ride my Trek 1000, I was startled to find that I had to use the brake levers and some little nubbins on the brake lever hoods.

This system is Shimano Sora FlightDeck (or so it says on the hoods). The left brake lever controls the big chainring. To move from a smaller chainring to a bigger one, I push the brake lever rightwards, towards the centre of the handlebars, until the chain ascends, then release. To move the chain to a smaller chainring, I press a little nubbin on the inside of the hood, pretty much under my thumb if I'm riding on the hoods. To change the rear cogs, I do a similar thing, in a mirrored way, with the right brake.

Would anyone like to describe the alternatives, and the pros & cons of each? This may get complicated as we get into the tri-specific options, but I think it's a valid topic for bike numpties; I was completely thrown by an entirely different system than that with which I'd grown up.
26/07/2005 at 22:53
Ahh... I see I still have a lot to learn, Grand Master...
Bouncing Barlist    pirate
26/07/2005 at 23:07
Park Tools are really good, some have intefral tyre levers, Shimano do a good range of saddle bags.

Bouncing Barlist    pirate
26/07/2005 at 23:08
Sorry meant Specialised do a good range of saddle bags.
Bouncing Barlist    pirate
26/07/2005 at 23:08
Oh and meant to also say integral tyre levers.
26/07/2005 at 23:08
Quimby, the alternatives are the kind of shifters you've got (or subtle variations of them if you got campag or more expensive shimano than sora) or to have bar end shifters on the ends of your tri bars. The latter would only really be something to consider on a full on time trial bike. Upgrading shifters on shimano stuff is very expensive so stick with what you've got.
26/07/2005 at 23:45
I am loving this thread......newtonian arguememts aside......well done the bike ponces
27/07/2005 at 09:36
I have a real numpty question - but this thread means I am not too afraid to ask...

I do a few adventure races so need a bike for off road (nothing too hard core though) but also want to do a road triathlon. I know the requirements are different for both, but could I buy a mtb (old one just got stolen), lock the front suspension and put slicks and tri bars on it and use it for triathlons, or will I be at a significant disadvantage? I am not anticipating competing at a really high level, so don't mind a bit of a disadvantage, but was thinking of doing an olympic, or half ironman so I guess the bike legs are long enough to make a difference.

Ideally from a storage and cash perspective I don't want to have 2 bikes. Has anyone got any ideas/advice?

27/07/2005 at 09:46
" I am not anticipating competing at a really high level, so don't mind a bit of a disadvantage, but was thinking of doing an olympic, or half ironman"

!!!!!You must be made of stern stuff to not consider 1/2 IM as competing at a high level....

I'm certain that the bike ponces will reply.

It seems to me you can get away with a MTB on sprints, but I don't think I'd fancy 40k-90k on one.
27/07/2005 at 09:48
I use a MTB with slicks on over the winter months, and my average speed drops a little, but not that much, so yes, you could use one, but to do Ironman you are required to use a drop handled bike.
27/07/2005 at 09:48
I used a MTB on my first sprint, but not with tri bars. I found it quite hard on the hands, with no way of changing hand position. My hands were a bit numb by the end. Not sure whether you can fit tri bars to MTB handlebars?
cougie    pirate
27/07/2005 at 09:51
Some triathlons don't permit MTB's. I'm pretty sure that was the case with IMCH, but a lot of them are fine with them.

You'd have to check for a Half IM I think.

(although to me - a rigid MTB with skinny tyres and tribars would be almost as fast as a road bike unless it was a very hilly course)
cougie    pirate
27/07/2005 at 10:14
You can usually fit tri bars to a MTB.

I had some long bar ends on my MTB and they worked quite well too.
27/07/2005 at 10:15
Yes FFM - maybe that sentence doesn't completely make sense! What I meant was - I just want to do these races to see if I can complete them before the cut off, rather than go after a time.
I didn't think about getting numb hands - could i get carbon forks to minimise the vibration?
I'll check on entry requirements though. the reason I thought of it was that Ironman Germany looks like they allow any type of bike.
27/07/2005 at 10:23
There were a few guys doing the Fred Whitton (tough hilly road race) on MTB's with front suspension, flat bars and slick tyres this year and they were remarkably fast.

Check with the organisers of any race over Olympic if you want to use a mountain bike but a few were on them at the Longest Day.

A mate uses a Specialised Rockhopper and does a lot of adventure races, cheap, well built, easy to maintain (check sus if buying second hand) and will be easy to change to slicks.
27/07/2005 at 10:24
Vitruvian 1/2 IM don't permit MTB's either so I guess when you get past Oly distance a road bike is de rigeur...........

back to the shifters question

you can still buy downtube shifters (Campag yes, not sure about Shimano) if you are old school - where's Punchie when you need him?? - but most know use integrated levers as they are much more convenient and index easily if set up well........

Campagnolo and Shimano are the 2 biggest brands but there are other component suppliers who supply lookalikes for each.............riders tend to fall into either Campag or Shimano camp - the 2 are not interchangeable anyway - for whatevere reason they prefer..........I'm a Campag fan for road. Shimano for MTB...........

you can also get thumb shifters for tribars which is basically a variant of above but the difference here is the gear change is now separate from the brake lever so hands need to move around a lot more but it does mean you can change gear when down on the bars in a streamline position without having to move about........

tribars and thumb shifters are best suited for flatter faster courses, integrated changers for general road use or twisting and variable courses with lots of ups and downs......
27/07/2005 at 10:24
take out the spare k from that post
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