Thank you very muchHexsense wrote: ↑Thu Oct 13, 2022 6:11 amNote: I just saw that I typed flexed chainstay and flexed seatstay reversed in original version of my post. It is fixed.
Back to topic,
Epic HTA is 67.5 degree but Epic Evo is 66.5. Scott Spark 2022 is 65.8. IMO 65-67.5 is a good range to aim for. HTA is one thing. But there are two more things I don't like on Oiz. One is another legit geometry concern, another is just the preference on suspension design.
Geometry concern: The reach of Oiz is short. Modern geometry likes the frame reach to be longer and compensate with shorter stem. The bike is more stable/safer this way.
To put into perspective,
Oiz Tr size M have reach=425.
Scott Spark 2022 size M have reach=440mm
Epic is 445, Epic Evo 435, etc.
Suspension preference: Oiz have excessive anti squat value at high gears. https://linkagedesign.blogspot.com/2019 ... 9.html?m=1
While anti squat value at 32x50t gear is 105% which is good, the anti squat at 32x10t gear is 162%. I used to like bike with high anti squat. But not anymore. With that amount of anti squat (well over 130%), the rear suspension stiffen up and even rise when you apply power. So, when pedaling through lots of roots the rear suspension won't actively soak up the bumps. It's a trade off for bike that is highly efficient without reliant on suspension lockout. Yet, they still provide remote lockout with the Oiz.
I'd rather ride bike that has lower anti-squat and then lockout when needed than to ride bike with excessive anti squat value. Or at least, find one that have consistent anti squat across all gears close to 100%. Epic Evo is like this, 91-94% anti-squat on all gears from 32x10t to 32x50t. Santa Cruz Blur has 95-106%. Excellent also. Old and new Scott Spark anti squat is lower as it design to be used with remote lockout and they want open mode to be extra active.
But that's just me. There are a lot of people that prefer anti squat value even more excessively high. Intense Sniper XC has even higher anti squat and people still like it.
The most concerning part is definitely the anti-squat at 32-18 and above. I don't really mind at 32-10 as I'd lock the rear anyways for sprinting, but the sweet-spot 32-18 (about 20 kph at 83rpm) to 32-14 is potentially annoying. Though I am not sure how much discomfort would be an anti-squat of 130-140?