26er Posted August 22, 2019 Share Hi Everyone,I use my MTB for just about everything nowadays But mostly, riding with other road bikes in group,Most of the time I am in the bottom three rings of the cassetteLong story short,I would like to combine a MTB and road cassette to get better ratios at the bottom,Can I take an Ultegra 6800 11/28 cassette and use the smallest three rings on a XT 8000 11/46 cassette?Cheers Link to comment Share on other sites More sharing options...
Twaatie Posted August 22, 2019 Share That's normal for a mtb when riding with roadies. You always going to spin out compared to the road bike gears You don't want to be in those gears.. Get a road bike , problem solved Andrew_Smith and MDJ 2 Link to comment Share on other sites More sharing options...
popcorn_skollie Posted August 22, 2019 Share Hi Everyone,I use my MTB for just about everything nowadaysBut mostly, riding with other road bikes in group,Most of the time I am in the bottom three rings of the cassetteLong story short,I would like to combine a MTB and road cassette to get better ratios at the bottom,Can I take an Ultegra 6800 11/28 cassette and use the smallest three rings on a XT 8000 11/46 cassette?Cheers You can but this wont help at all. Get bigger front rings. You can always swop them for when you hit the trails vulgar 1 Link to comment Share on other sites More sharing options...
Jehosefat Posted August 22, 2019 Share Technically you can put those 3 sprockets on but it's really not going to help. Instead of having 15, 13 and 11 teeth you will have 13, 12, and 11 so your top speed will be the same but you will have a really big jump from the 13 to the 17 (which is the next sprocket on the XT cassette). As popcorn suggested, get bigger rings up front instead. vulgar 1 Link to comment Share on other sites More sharing options...
lechatnoir Posted August 22, 2019 Share You can but this wont help at all. Get bigger front rings. You can always swop them for when you hit the trails good plan, but check they clear the chainstay first Link to comment Share on other sites More sharing options...
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