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Forum: Bicycle Mechanics

04-21-23, 03:10 PM

Replies: 17

How much bigger cassette can I put on my bike?

Views: 752

Posted By icemilkcoffee

You can read the Shimano documentation for...

You can read the Shimano documentation for yourself:
https://si.shimano.com/en/pdfs/si/U-107/SI-U-107-000-00-ENG.pdf
If your crankset has 52/39, then you are limited to 12-27 in the back, to keep...

Forum: Bicycle Mechanics

04-20-23, 04:47 PM

Replies: 17

How much bigger cassette can I put on my bike?

Views: 752

Posted By maddog34

What are your Chain ring sizes? is the derailleur...

What are your Chain ring sizes? is the derailleur the RD-6401 mentioned? if so then it has just enough room for the 28 tooth low gear cassette BUT you then only have enough WRAP(slack take-up) for 11...

Forum: Bicycle Mechanics

04-20-23, 04:07 PM

Replies: 17

How much bigger cassette can I put on my bike?

Views: 752

Posted By Bill Kapaun

Put the chain on BIG:BIG and measure how much...

Put the chain on BIG:BIG and measure how much "slack" you have. You want a minimum of 1". (one link SET)...

Forum: Bicycle Mechanics

04-20-23, 02:25 PM

Replies: 17

How much bigger cassette can I put on my bike?

Views: 752

Posted By Andrew R Stewart

I am not going to do the google searches to find...

I am not going to do the google searches to find out the exact model Ultegra you have and then find out the largest rear cog it is rated for BUT IIRC your rear der has a 27tooth max spec. Depending...

Forum: Bicycle Mechanics

04-20-23, 02:11 PM

Replies: 17

How much bigger cassette can I put on my bike?

Views: 752

Posted By kcjc

Shimano RD-6401? 28,...

Shimano RD-6401? 28, https://velobase.com/ViewComponent.aspx?ID=63db7f55-9134-4455-950b-479535bd531f&Enum=108

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