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21
votes
4answers
12k views

How are the categories for climbs decided?

In cycle racing, there are five grades or categories for climbs - Category 4, 3, 2, 1 & Hors (Above Category or HC). How do they decide what is category 1 and what makes it so hard it is a HC?
15
votes
2answers
6k views

What exercise should I do in the gym to assist with hill-climbing?

I have a few events coming up this year which have a fair amount of climbing (one is over a hundred miles with about 6500ft of ascent - that's an average of just over 1% for the entire distance). ...
13
votes
7answers
4k views

How should I approach hills?

I've been biking to work 2-3 times/week this summer and I enjoy it for the most part. My big problem is that my ride is mostly downhill on the way in to work and mostly uphill on the way home. These ...
12
votes
9answers
10k views

Looking for Techniques for Riding Uphill on a Single Speed

I commute on a Single Speed (SS) bike about 13mi round trip. Going home is not a problem as the gradients are low and I can climb them. However, going in to work the gradients are much steeper and I ...
11
votes
4answers
2k views

Extra power needed uphill for weight increase

How much does weight mean when going uphill? Let's say I'm going up a mountain with 1000 m of elevation and it's quite steep: 10%. Let's also say I can maintain 250 watts. If I add 1 kg of weight to ...
9
votes
4answers
254 views

How can I prevent or mitigate the front wheel coming off the ground when climbing steep hills?

On one of my bicycles (a 2012 Trek Madone 4.7), when climbing very steep hills, I have had problems with the front wheel coming off the ground. This creates an extremely dangerous situation because ...
8
votes
5answers
700 views

What's the lowest safe cadence on a climb?

I recently installed a power meter and just used it to get up some rather steep 15%+ climbs. At my weight and lowest gearing (34f 30r) at a sustainable power level for my fitness (225w) this ...
7
votes
6answers
797 views

What is the most efficient way to ride up or down hills, and into or away from wind?

I'm trying to work out how hard I should push myself when riding up or down a hill. Similarly, how hard should I push myself when riding into, or away from, or perpendicular to wind? My aim is to ...
7
votes
3answers
355 views

Evaluate hill gradient

I mostly commute and have never had trouble climbing a hill sometimes by using my lowest speeds (or close to them). How do I evaluate even roughly what grave %age I climbed? What I mean is that I ...
6
votes
2answers
1k views

How hard is a category 2 climb?

I am moving to Ojen Spain for work for 3 months and will be biking to marbella and back. I have put the ride into mapmyride.com and it says that the ride is a cat 2. Climb Start End Length ...
5
votes
3answers
1k views

Is it harmful to shift RD while climbing standing?

I'm just learning to climb standing, and I find I'm often guessing wrong about which gear to use; plus there are times where I'm accelerating up the hill and just need to shift up. Upshifts under ...
5
votes
2answers
417 views

Switching to Lower Gears for Climbing

Right now, I've got a SRAM 11/26 cassette. I just moved to San Francisco, and some of the climbs out here (e.g., Mt. Tamalpais) are pretty brutal with over an hour of climbing. My cadence over some of ...
4
votes
2answers
134 views

How do I train for climbing in a relatively flat area?

How do you best train for climbs in a flat area? I am aiming to tackle some UK climbs in N. Yorks and the Lakes come autumn but I only have access to the flat local countryside at the moment. I ...
4
votes
3answers
9k views

Can I fit a cassette with a larger range with my Shimano Tiagra 10-speed ( GS-4600) derailleur?

I'm currently running a 2x10 shimano tiagra 10-speed drivetrain with a 50/34 compact crankset, a 12-30 rear cassette, and a Shimano Tiagra GS-4600 derailleur (that's medium cage aka road long cage) on ...
3
votes
1answer
239 views

Should I have a spare cassette or a spare wheel?

I have a road bike that I use for triathlons as well as club rides in the evenings and on weekends. I don't have the bike in front of me, but the range of the cassette is on the low side. I'm more ...
3
votes
1answer
236 views

Grand Tours - Total Ascent (By stage, particularly the giro)

I'm looking for information on stages of grand tours, particularly the upcoming Giro. I can find details of total distance by stage, and the amount of ascent on the key climbs of a stage, but I'm ...
2
votes
4answers
421 views

Replacing 42/52 crankset to 39/52 - will it make a difference?

I have several questions that arise from the fact that the current drivetrain on my old Peugeot road bike is pretty tough to ride when climbing up some steep hills: so I've got a 42/52 up front and 6 ...
1
vote
3answers
89 views

Can I modify the gearing on a 2009 Jamis Aurora?

I have a stock 2009 Jamis Aurora. I'm looking to modify my gear set-up to make climbing hills with large loads a little easier on my knees, as I constantly find myself wishing I had one or more low ...
-2
votes
2answers
163 views

A famous cycling Race, Place or Climb beginning with the letter “D” [closed]

I'm trying to think of either a famous cycling town, race or climb that begins with the letter "D" but I'm having problems coming up with any and google isn't much help either. So I thought I'd open ...