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breadrunner said:
Swapping the big chainring on my 8-speed 105 for a slightly smaller ring. Anything special to watch for? Torque wrench a must? Thanks
You might have to lower the front derailleur to maintain the same cage-to-chainring distance. If it's a much smaller ring, you might have to remove a link from the chain.
A torque wrench isn't necessary for chainring bolts. Just make sure to tighten them a little bit at a time. Snug the first bolt, any bolt, then snug the bolt furthest away, working your way around. Then make the final torquing on the first bolt you snugged, torque the bolt furthest away from that one...etc. You may need the special tool that holds the backside of the nut inplace so it doesn't just spin around as you tighten the bolt.
 

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Grease

breadrunner said:
Swapping the big chainring on my 8-speed 105 for a slightly smaller ring. Anything special to watch for? Torque wrench a must? Thanks
No need for a torque wrench. Just make sure that you grease all threads and metal-metal contact surfaces. That guarantees it will be quiet and easy to take apart next time.
 
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