[RBW] Re: chainrings... middle vs outer question

2015-06-21 Thread Garth
FWIW , for a few dollars more than $38 you can get Dimension 110 46t rings w/o ramps/pins made from harder 7075 T-6 Al :) -- You received this message because you are subscribed to the Google Groups "RBW Owners Bunch" group. To unsubscribe from this group and stop receiving emails from

[RBW] Re: chainrings... middle vs outer question

2015-06-17 Thread dailyrandonneur
If you're set on using two rings, you could also just get the Sugino XD500-d 34/48 compact double from Harris Cyclery. With 406mm wheels, you may find the couple extra teeth on each ring are acceptable. On Wednesday, June 17, 2015 at 6:59:06 PM UTC-4, Thomas Lynn Skean wrote: > > That's the sort

[RBW] Re: chainrings... middle vs outer question

2015-06-17 Thread Thomas Lynn Skean
That's the sort of experience I like to hear! I'm satisfied with no outer ring at all. So I'm covered there. It sounds like I'll be fine with a 32T/46T setup in general, presuming I don't screw something up putting it all together and adjusting the front derailer. I really like the Sugino crank

[RBW] Re: chainrings... middle vs outer question

2015-06-17 Thread dailyrandonneur
I worked through this question on my Bike Friday Pocket Rocket with 451mm wheels when I went to big rings. I set up a 36-48-58 set on a 110/74 crankset, in my case a Suntour XC Pro. Using the Sheldon Brown online gear calculator, this gave me a match to my standard bikes setup. TA sells (or so

[RBW] Re: chainrings... middle vs outer question

2015-06-17 Thread dougP
Thomas: If you look closely at most chainrings, you'll notice a slight bevel on the inside, with the outside being flat. This is not universal but is fairly common. The intended position location is evident in the countersinking of the bolt holes. An outer ring will have the mounting holes c

[RBW] Re: chainrings... middle vs outer question

2015-06-17 Thread David Banzer
Thomas, PM sent about 46t middle chainrings I have. To answer your question - it depends on the chainring. Some have a chamfered edge that help with up shifts. To be in the correct orientation with the chainring bolt recesses, chainrings are marked as middle or outer. In practice you can swap mi