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Hi guys,
Looking for gearing help, I'm putting together a new bike and upgrading the groupset, however I've started pulling out my hair a bit... please can anyone help?

I'm upgrading to a Ultegra groupset (6700), running a 11-28 rear cassette on a compact 50:34t
Question: Should I run a short cage or a medium cage on the rear mech ?

thanks in advance

6 comments

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srchar [260 posts] 2 years ago
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You have a 33 tooth difference (28-11+50-34). Ultegra 6700 short cage mech has a capacity of 34 teeth (cf. Wiggle's spec page).

Short cage looks nicer and has enough capacity, so go with that.

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therevokid [971 posts] 2 years ago
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shimano's own tech blurb says 28t max so you're good to go with
the better looking SS  1http://techdocs.shimano.com/media/techdocs/content/cycle/SI/SI_5X90B/SI-...

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peted76 [361 posts] 2 years ago
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Thanks guys, that is brill!

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Shamblesuk [152 posts] 2 years ago
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Or get a medium cage if you may be thinking of using a 32t eg on alpine climbs. Negligible weight difference.....

I have Dura Ace but have an Ultegra long cage for a 32 Ultegra block I will use for the E'tape.

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Al'76 [110 posts] 2 years ago
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Why would you need a 32 if you're running a compact? Not quite sure why you'd need a 28 with a compact, but there we go  24

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keirik [77 posts] 2 years ago
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that bait is really smelly  3