Had/still have a Campag 10 spd Chorus set up (52/39 chainset) but advancing years and general lack of fitness had me looking for a compact chainset. I happened across an Athena 11spd compact carbon chainset for a mere £100 (unused too!) on eBay which has arrived but it was an impulse purchase as I actually don't know:
1) If an 11spd chainset will work with a 10spd chain/groupset?
2) Whether I need to replace the front mech (which is a standard Record front mech) to a compact version?
I'd be very grateful for any answers.
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