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SR Royal vs Sugino Super mighty

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SR Royal vs Sugino Super mighty

Old 06-09-22, 10:37 PM
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SR Royal vs Sugino Super mighty

I'm in the process of building 2 bikes (well, the most current 2 amongst the 8 other waiting for immediate attention). One will be for selling (too big) and the other as one of the N+1.

Now my noobie question: which crankset to keep, which one to mount on the other. I cant seem to find much on the SR Royal, is it less common than the Super Mighty and therefore should hang on to it? Are they pretty much just the same and i should just keep the one i like the best?

Oh, the SR royal is 170, the Sugino 165. Same BCD.

Thanks in advance for your suggestions, comments

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Old 06-09-22, 11:56 PM
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165mm length cranks were intended for smaller size frames also for use on track bikes. Unless your bike/bikes fit those parameters, go with the SR cranks.

All things equal, my personal preference would be be the SR cranks over Sugino.

Don't believe everything you think! History is written by those who weren't there....

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Old 06-10-22, 12:02 AM
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Both are quality cranksets. Unless you have shorter than average legs go with the 170mm.
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Old 06-10-22, 01:18 AM
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Mount one drive-side crank to one side of your BB, and the other to the other side of your BB. Mount a fixed cog to both sides of a wheel with a two-sided hub, attach it to your bicycle, and chain up the drivetrain on both sides. Ride both cranksets until you decide which you prefer.
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Old 06-10-22, 04:43 AM
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The difference between 170 and 165 is negligible, but I prefer 165's.
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Old 06-10-22, 05:38 AM
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The Royal was SR's top crankset in the 1970s. There was an ESL (Extra Super Light) version with lighter chainrings and titanium bolts but they're not part of the decision in this case.

As previously suggested, I'd make my decision based on which is the more appropriate length for your body measurements and riding style. That would be the 170mm Royal for most people. However, if you have a shorter than average femur and or prefer a fast cadence, the 165mm Super Mighty may be the better choice.

The other factor to consider is how they sit on your bottom bracket spindle. Different cranksets can sit at different positions on the spindle, affecting your chain line. In extreme cases, you may run into a situation with not enough engagement or one that pushes on so far that it won't stay tight.
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Old 06-10-22, 09:14 AM
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Thank you all, looks like before I make the decision I'll quickly mount them both to try the fit (leg-wise and bike-wise), as aesthetically and quality wise they seem pretty equal.
Although I might not follow HTupolev suggestion... ;-)
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Old 06-10-22, 10:13 AM
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Is it just me or does that SR crank looks very much like Mavic's 630 pre-starfish crankset??
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Old 06-10-22, 01:51 PM
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I generally like 170mm cranks (or funky Sugino 171s (6-3/4" inches, in case anyone wonders where the "1" in 171 came from), but I switched to 165s on my UO-8 because of toe-to-tire overlap. (Mine has an aftermarket fork which puts the front wheel farther back than stock.) I still have toe-to-tire overlap with a 28x700C tire in front, but it is certainly easily tolerated and not a safety issue.

My UO-8 with barcon cables routed between the rack and the cylindrical Bellwether front bag.
"Far and away the best prize that life offers is the chance to work hard at work worth doing." --Theodore Roosevelt
Capo: 1959 Modell Campagnolo, S/N 40324; 1960 Sieger (2), S/N 42624, 42597
Carlton: 1962 Franco Suisse, S/N K7911
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Old 06-10-22, 02:35 PM
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Aren’t some of the Mighty cranks ISO taper?
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