Originally Posted by Ron Damon

The issue or limiting factor is not the cogset. The limiting factor is ground clearance for the RD. On 10-speed 406, you want something along the lines of Deore M6000 which is rated to 42t. That's what I run on my 406er. Here it is...




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The other GS alternative is to jump to 11-speed with this job rated for 46t.