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Drivetrain road bike conversion


TCTG
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13 hours ago, TCTG said:

Yes a worthwhile option to consider but not sure if the jump from 52 to a 36 may create problems. I suspect that I will need to change the big blade as well... basically change over to a compact crank.

Why? It's a perfect solution to your problem and you don't have to fiddle with derailleur hangers and what not.

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I have a 52/36 up front and an 11-28 rear cassette

https://www.trainerroad.com/forum/t/bike-gearing-suggestion-52-36-11-28-want-slightly-lower-gear-s/41613

 

 

Is literally the first result when googling "running 52/36 chainrings"...

Edited by TNT1
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38 minutes ago, TNT1 said:

Why? It's a perfect solution to your problem and you don't have to fiddle with derailleur hangers and what not.

https://www.trainerroad.com/forum/t/bike-gearing-suggestion-52-36-11-28-want-slightly-lower-gear-s/41613

 

 

Is literally the first result when googling "running 52/36 chainrings"...

I recently did exactly that, slapped a new 11 speed 52/36 Crank on my 10 speed bike. And then got a 11-28 10 speed cassette. Must say I'm very happy with the range. 

I've actually got more range than I had on my Compact crank and the 11-25 cassette both ways. 

Edited by PappaWatTrap
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10 hours ago, TNT1 said:

Why? It's a perfect solution to your problem and you don't have to fiddle with derailleur hangers and what not.

https://www.trainerroad.com/forum/t/bike-gearing-suggestion-52-36-11-28-want-slightly-lower-gear-s/41613

 

 

Is literally the first result when googling "running 52/36 chainrings"...

Thanks this is extremely helpful and there are plenty options to consider. The link below may assist as well.

http://bikecalc-staging.herokuapp.com/speed_at_cadence

 

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From my previous problem solving on the topic:

1. Typically you have to choose between changing the crank (or chainrings) on the 10s solution vs. changing the RD+cluster+shifters+wheelset to make an 11s solution work. A wide range 10s cluster isn't the best solution.

2. ..because - you want to retain reasonably closely spaced gearing on your cluster - if you go to 11-32 or more you may find the gears a little too long between shifts. 11-28 is nice.

3. best up front is to go compact. 50/34 or 50/36. If you're struggling on the low end, you're not going to miss the high end gears from a 52 front ring much.

 

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