Thanks Peter, looks like I'm in the market for a new rear hub lol.

My question is can it be done somehow? I know there are boost adapters to fit 142x12 wheels on a boost size frame but I need the opposite. Or is my only option to swap out the hub altogether to a 142x12? I have a set 50mm(outer) wheels coming in on a 148x12 frame and want to throw them on my Yoeleo M91 frame. If this cant be done what type of hub should I be looking for, I need something affordable but not cheaply built. Thanks fellas!

Quote from: carbonazza on February 23, 2017, 11:39:31 PM
I didn't know the Cane Creek "Angleset Headset", thanks!
http://www.bikeradar.com/gear/category/components/headset/product/review-cane-creek-angleset-45583/
It is however unfortunate it costs $200, as it would be great as a tool to test and eventually adapt the handling.

No problem buddy, from what I understand the Angleset headset that comes with all 3 angle adapters(.5, 1, 1.5) is $200 and if you want the set with only the 1 degree adapter it is $150. Either way I believe its worth the money if you are looking to steepen/slacked your HA. The best thing is, if you buy the 3 angleset, it technically gives you six different settings. -.5, -1, -1.5, +.5, +1, +1.5! So if you wanted to increase your travel by say 20-40mm but didn't want the stress the headtube that comes with added travel, you could technically keep your same headtube angle with the additional travel(keep in mind it will still affect the geometry). There are a couple good Youtube videos if your interested....

I'm in a similar boat. I currently have a Yoeleo M91 Ghost HT frame. Manufacture specs it out with a HA of 69.5 degrees and recommends a 100-120mm fork. I'm assuming this headtube angle is with 100mm(somebody please correct me if I'm wrong). My plan is to convert it to a 27.5+ bike with 120-130mm of travel. I want the HA to be around 68 degrees which I will adjust accordingly with a Angleset Headset once I figure out where I'm at with the conversion. I would love to see some slack HT's if anybody has seen any. What frames have you been looking at OP?