I have the opportunity to buy a brand new FSA SL-K Light BB30 compact crankset for less than 1/4 of the retail price. It sounds too good to be true but I will pick it up personally so I can check it out before paying.
Anyway, the combination is 46/36 and it's 175mm. I'm currently using a 50/34 combination and 172.5mm. Would the extra crank arm length give me any problems?
Also, if I chose to use the 46%36 combination what would I have to do? I guess move down the front derailleur and shorten the chain? And how would a 46/36 combination impact my riding and pedaling? I have a tendency to ride with a lower cadence than I should...
Or maybe it would be better to swap out the chain rings for some 50/34 Stronglight chain rings or similar?
What's your take on it? The price is great for that crankset but I'm pretty happy with what I have now so I don't want to use to much money on 3. party components...
P.S: One last question... The FSA SL-K Light crankset is BB30 and I have a SuperSix using BB30. Is it as "simple" as remove the old crankset and install the new or are there any other things that should be replaced? Bearings or something like that? I don't think there are any other things included with crankset.
I have a somewhat similar gearing on a hybrid, but it uses a 32/42. It also has fat slick tires which add a lot of rolling resistance. With a 11-25 it's a perfect all around gear. You lose some top end gears but that hasn't been an obstacle for me (also a slow cranker btw)
Hope this was somewhat helpfull. Just remember when things are too good to be true, they usually are.
(46-11 is very similiar to your current 50-12, so you will be loosing your largest current gear - assuming you have an 11)
Anyway, it would be good to get the information above, but I wouldn't want a 46t.. Mind you that I run 53t; so its a bit different, but I just can't imagine it being an "effective" gear unless you are typically just cruising around. Given that you have a Supersix (my bike too!) I have to think you also enjoy pushing yourself and getting some speed. If your current cranks are really that bad - I would get the new cranks and swap chainrings.
Just so we have an idea, what is the actual price of the cranks? It would help us make an informed decision based on what other deals are going for.
The crankset is brand new, newer been mounted or used. He is selling it for about 130 USD.
I use an 11-25 cassette. I would probably swap the 46/36 rings out with 50/34, maybe from Stronglight.
ozdavo wrote:If your spending another $100+ on rings, is it still a bargain?
Where I live the crankset retails for around 706 USD, so I even if I had to use 100-150 USD on chain rings I would still see it as a bargain...
Jamis Xenith Pro 16.1lbs 7.31kg
Also on my braze on tab I already slam the FD lowest for 50T chainring, so I wonder what would it be like for a 46T, not that I am going to.
Basically the only concern I have now is the extra length, 172.5mm vs 175mm. It may not be a concern but I guess only time will tell. I think I will go ahead and buy it.
I met with the guy who sold the crankset and could see that the crankset had been mounted and used but was in very good condition, at least that's what I thought. I noticed a little play in the non-drive pedal arm but figured it was because the tightening bolt was tightened properly. So I bought it and payed 120 USD for it.
When I got home I discovered, to my dissapointment, that the play was due to a faulty pedal arm. At least I had only payed 120 USD for it so I wasn't too dissapointed and thought 'what the heck'.
Anyway, I took it to my LBS and one of the guys sent the crankset to a FSA rep. and 2 weeks later a new pedal arm showed up free of charge, although I didn't had any receipt on the crankset. So I used my 50/34 chainrings from my FSA Gossamer Pro BB30 crankset and now I have a fully functional SL-K Light BB30 crankset in great condition and only payed 120 USD :)
Cielo by Chris King Cross Racer
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