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2021 YT Capra 29 AL geometry changes.

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2021 YT Capra 29 AL geometry changes.

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flag Hamfish
Posted: Nov 5, 2021 at 6:16 Quote
There are three changes to my Capra which I would like to do: increase ZEB to 180mm, convert to mullet by changing the rear wheel to 27.5 and also using the integrated flip chip to help adjust to these changes. I understand that by increasing fork travel, the bike rotates backwards and the bb etc is raised, the bb can be lowered by installing the 27.5 rear wheel but this could make the bike way too slack and make it handle horribly. This can be fixed however with the flip chip, which when put in the high position, raises bb and makes the front end less slack. What I am wondering is if any of these changes are viable or even necessary in the first place, as it might not even change the feel of the bike for the better and could just be a waste of time and money. My goal is for the Capra to be more downhill biased, as I ride lots of park on it and do not care for pedaling characteristics. Thanks for any advice.
flag Hamfish
Posted: Nov 5, 2021 at 6:16 Quote
Sorry if this is the wrong place to post this question, I am pretty new to Pinkbike.
flag rete
O+
Posted: Nov 5, 2021 at 21:42 Quote
In it's high setting your HTA is 65.5, STA 76, bottom bracket height 361mm.

Assuming you already have a ZEB at 170mm, extending the fork 10mm to 180mm will give you roughly 65 / 75.5 / 364mm

Going to 27.5 rear with the same volume tire will lower your rear axle 20mm and land you at roughly 64 / 74.5 / 354 (and your reach will be around 8-9mm shorter than where you started).

Compared to your current low setting your BB height will be about the same and you'll be 1 degree slacker at the front end, at the cost of 1 degree slacker seat angle and a shorter bike.
flag Hamfish
Posted: Nov 5, 2021 at 23:01 Quote
Thanks! That is very helpful.
flag rete
O+
Posted: Nov 6, 2021 at 7:58 Quote
Hamfish wrote:
Thanks! That is very helpful.

If you're just after more downhill oriented geo and not specifically a mullet setup, a 1 degree, 1.5 degree or 2 degree angleset is a quick 1 hour install (if you have a headset press, otherwise a bike shop can do them). The AL Capra takes an EC44/ZS56 angleset - Works Components Angleset, Wolftooth Geoshift, etc.
flag Hamfish
Posted: Nov 6, 2021 at 19:54 Quote
Ok, sounds like a good idea, I will consider that.
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