Changing triple Beone Mistral back to Compact

waltdinghy

I hope someone can confirm my plan to change the drive train to a a compact from a Shimano 105 triple with 170 cranks .
Can I retain both brake handles knowing the left one operates the triple front mech which has to be changed for a double i.e 50 34 compact ? I will have to change front mech to cope with only double chain rings.
I will change the chain and replace the rear cassette for 10 speed shimano 105 . At present the bottom bracket contains a triple Fsa omega chain ring and crankset and bottom bracket is sound . Will the bb need to be changed. Would be very grateful for any help .

arlowood

Waltdinghy wrote:

I hope someone can confirm my plan to change the drive train to a a compact from a Shimano 105 triple with 170 cranks .
Can I retain both brake handles knowing the left one operates the triple front mech which has to be changed for a double i.e 50 34 compact ? I will have to change front mech to cope with only double chain rings.
I will change the chain and replace the rear cassette for 10 speed shimano 105 . At present the bottom bracket contains a triple Fsa omega chain ring and crankset and bottom bracket is sound . Will the bb need to be changed. Would be very grateful for any help .

The short answer is yes - it can be done relatively easily. You just need to decide whether to use the granny/middle or the middle/big chainring changes on your triple shifters to shift for the compact double.

Some debate over which is best in this thread

viewtopic.php?t=12869808

Weight of opinion seems to favour the granny/middle option and use the limit screws to prevent you over shifting with the "third click" and shipping the chain off the big ring.

waltdinghy

Thanks so much for your reply and the advice . Am changing the set-up for my wife so as we live in a hilly area of France I am sure she should find the whole process of only having 2 chain rings to select rhe right cog will be a lot easier . Many thanks for your recommendations .