Wondering if somebody could shed some light - I need to replace a left crank arm due to damage. My chainset is 105 5800 170mm and looking through ebay there are a few ultegra 6800 170mm left hand cranks available. Will these fit? Thanks in advance

Ultegra and 105 compatibility

themagicspanner March 23, 2019, 5:47pm 7

I do that all the time.

Mike

Topic		Replies	Views
Any bike mechanics, help needed....Ultegra 6870 and R8000 compatibility Equipment	8	4997	June 6, 2020
Shimano groupset compatibility Equipment	3	433	February 20, 2021
R8000 Chainring on a 105 5800 crank Equipment	14	4945	November 21, 2020
Ultegra chainring combo question Equipment	4	4223	November 27, 2018
Does it matter if you use a 105 4iiii left Crank power meter with a right side ultegra crank Equipment power-meter	14	13930	December 27, 2018