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Originally Posted by Rowan
(Post 17518039)
The OP really needs to experiment. For the cost of a 22T and 24T granny, he can take a trip out to the Kimberleys with his car, and do some riding there and find out what really does suit him.
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Originally Posted by Rowan
(Post 17518039)
I find this completely insulting.
Read the OP's comments about being lost amongst all the discussion about the "science" of it all. And unfortunately, your high-school maths doesn't take into account a number of other factors, including the rider's weight, load, the inclines expected, tyre width and inflation, headwinds, and fitness and strength of the person in question. The OP really needs to experiment. For the cost of a 22T and 24T granny, he can take a trip out to the Kimberleys with his car, and do some riding there and find out what really does suit him.
Originally Posted by azza_333
(Post 17518068)
28 hours driving time and 2900km from Karratha to the Kimberleys and back, $290 in just fuel that trip will cost me, a lot more than $15 for a 22t chain ring
It doesn't matter what you think, Rowan. The OP got a precise help that completely took care of his concerns. |
Originally Posted by azza_333
(Post 17518040)
is "OP" is meaning me im 70kg, bike 15kg, gear worst case 30kg, that's if I end up having to carry my friends stuff if they struggle
30 kg is a lot of weight to get up hills. I weigh the same as you, and with a 16kg load, I often use my lowest gear on steep or long sustained grades. Some of our mountain passes here require climbing for 65 km; nothing really steep, mostly average <6%, but with steeper pitches. Rowen, 90 rpm is my normal cadence. I just shift down to lower the cadence if needed. I can easily handle my loaded bike at 3.5 mph with very little wobble, but the hill has to be steep enough to give me substantial pedal resistance. It still beats pushing a bike up a hill. |
Originally Posted by Barrettscv
(Post 17518082)
It doesn't matter what you think, Rowan. The OP got a precise help that completely took care of his concerns.
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Originally Posted by azza_333
(Post 17518105)
Barrettscv thanks for all your help I know what I'm ordering now, just have to wait for it to arrive now. Thanks again
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I too have used that exact chain catcher thingee with great results.
Really good advice here, especially the example of barret and what he climbed in Italy (?) how much he weighs and about how much weight he had. Can't recall if I or others have written, but with lots and lots of climbing, you will feel every 5kg more of stuff a lot, so we can give gearing recommendations, but what you can do is to start to put your stuff together and actually see how much it weighs, and perhaps over time try to figure out stuff you dont need. Again, cant recall if this was mentioned, but the rough estimate of trying to keep your bike weight + load to half your body weight is a good one. I'm about 140lbs , so a 70lb bike+gear total is about what I have toured a lot with (and sometimes less, never bad to be less...) |
Originally Posted by djb
(Post 17518234)
I too have used that exact chain catcher thingee with great results.
Really good advice here, especially the example of barret and what he climbed in Italy (?) how much he weighs and about how much weight he had. Can't recall if I or others have written, but with lots and lots of climbing, you will feel every 5kg more of stuff a lot, so we can give gearing recommendations, but what you can do is to start to put your stuff together and actually see how much it weighs, and perhaps over time try to figure out stuff you dont need. Again, cant recall if this was mentioned, but the rough estimate of trying to keep your bike weight + load to half your body weight is a good one. I'm about 140lbs , so a 70lb bike+gear total is about what I have toured a lot with (and sometimes less, never bad to be less...) |
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