chainline for Sugino Kyoto Loco crankset

The place for fixies and other rides without gears

chainline for Sugino Kyoto Loco crankset

Postby sambo3 » Sat May 21, 2011 10:20 pm

Hi guys, putting together my first fixe. I was given a 110mm sq taper RPM bottom bracket and have set up the Sugino Kyoto Loco cranks on this. the frame has a 68mm bottom bracket english thread.

The frame has 120mm rear spacing and I did the Sheldon Brown measurements and it seems the rear measures a 42mm chainline and the crankset with said BB 45mm as set-up.
Not sure how exact this is as was only done with a ruler and eye alignment.

I have ridden it and all goes well.
My questions are;
1. Will this cause issues down the track, eg premature wear or worse?
2. Having a look at the crankset it seems quite close to the bb shell already, not sure if a shorter bb spindle would work?
Am I missing something here??

BTW it rides great, quite and quick for commuting. I'll put some pics up when finished fully.

cheers
Sambo
sambo3
 
Posts: 238
Joined: Mon Nov 08, 2010 9:00 pm
Location: Perth

by BNA » Mon May 23, 2011 7:46 am

BNA
 

Re: chainline for Sugino Kyoto Loco crankset

Postby mmhbeer » Mon May 23, 2011 7:46 am

If your rear wheel is a flip flop does it measure the same around the other way?

My rear wheel is a fixed/fixed hub and with a freewheel on one side the chainline is 2mm further out from the centre than with a track sprocket.
mmhbeer
 
Posts: 123
Joined: Sun Dec 19, 2010 12:24 pm
Location: Adelaide

Re: chainline for Sugino Kyoto Loco crankset

Postby slidetaker » Mon May 23, 2011 10:01 am

In short, it seems that 3mm chainline difference worked for you. If the chain stays on and runs quiet.

I believe drivetrain wears mainly come down to maintenance, riding conditions and the amount of abuse.

Different hubs, freewheel sprockets and track cogs could vary by a few mm. In most cases, it is easier, cheaper, faster to play with BB and chainring stack bolts/spacers to get the perfect chainline than a new hub and rebuilding the rear wheel again.
slidetaker
 
Posts: 139
Joined: Mon Feb 21, 2011 7:07 pm

Re: chainline for Sugino Kyoto Loco crankset

Postby sambo3 » Mon May 23, 2011 8:27 pm

I worked out that the chainring could attach to the inside on the spider as opposed to how I purchased it on the outside (had options for both).
I though it may look wierd but I think I prefer the look that way now its setup.
More importantly his gives me 42mm chainline both rear and front, so I am very happy now as I dont think I could have run a short BB with this crankset on this frame.

thanks for the help


cheers
Sambo
sambo3
 
Posts: 238
Joined: Mon Nov 08, 2010 9:00 pm
Location: Perth


Return to Fixed Gear/ Single Speed

Who is online

Users browsing this forum: No registered users



Support BNA
Click for online shops
Torpedo 7 Torpedo7 AU
Ground Effect Ground Effect NZ
Chain Reaction Cycles CRC UK
Wiggle Wiggle UK
Cycling Express Cycling Express
Ebay Ebay AU
ProBikeKit ProBikeKit UK
Evans Cycles Evans Cycles UK
JensonUSA Jenson USA
JensonUSA Competitive Cyclist