Let's offroad / mountain bike / mtb / ride dirt

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Dogs

@Dexter @Howard

A fork with the head angle of 68.5° would need a fork that was 128.9° to match the rear being 120mm of presumably vertical travel, if you really want to get into it.

Something longer would give you approx 3mm rise in BB height per 10mm of suspension taking sag into consideration. If it's got a high BB already proceed with caution.

Another thing to bear in mind is that forks tend to be run more progressive and shocks more linear, so you might want something a bit longer with more progression so the feeling of both ends is more similar.

Hope that was nerdy enough for you.

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Howard in reply to @Dogs

My concern was with the balance of the bike - a 140mm fork with a 120 rear is gonna be weird

Longer forks also decrease reach and slacken the seat tube angle, albeit by small amounts.

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Dogs in reply to @Howard

This is a lot of concern about about the balance of a full sus, but there isn't such a concern about hard tails?

I've got 140 front and 120 rear, and the bike doesn't feel unbalanced, but it's fairly progressive on the front, the MRP ramp control is set to about 2/3.

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