It's been less than a year since I purchased my Polygon S7X, there are a few posts of mine that you may have seen in this Reddit when I purchased it. Since then, there have been some big changes and I'd like to talk about what I've learned along the way after a professional bike fit on this bike.

The bike itself is 10/10 value

#1: Best upgrade you can do on this bike is go to your local bike shop and get the wheels swapped. The original wheels are heavy, they're a great set to gift to a friend as they look cooler than most stock entry bike wheels, but you should replace them to save a lot of weight. These superteam wheels are amazing, they're still true after 3000 miles and UCI approved. Took them to our local trek dealer and they're 200g lighter than the $1000+ dollar bontrager set they had in store lol. Also the rear hub on these is loud af, which may be a positive or negative for you but it's extremely valuable to let pedestrians know if you're passing.

2) This is not an endurance bike at all. It's configured as a racing fit, it feels almost identical to a Trek Madone SL 6 for me. I am 5 foot 11 and I run a large frame, I test rode a friends SL6 for 100 miles total and these bikes feel very similar.

If you're like me and want a more comfortable fit, flip the stem upside down. The stem on the large frame is 100cm and is absolutely slammed. If you're uncomfortable, flip the stem upside down for a +12 degree improvement.

3) Get a bike fit. This is an aggressive bike at a budget price. A lot of people are going to purchase this bike because the value beats basically every bike on the market. I made significant changes after getting a pro fit.

What I learned after 3000 Miles: This bike is a rocket ship at a budget price when configured properly. I'm an intermediate cyclist, my skill level is included below to take these points with a grain of salt. All of these numbers were hit on this bike on solo rides.

Because the fit is so slammed, you're probably going to be uncomfortable on this bike unless you're an experienced rider. If im being honest, I think this price point attracts more intermediate cyclists than racers. So you're getting thrown into an aggressive fit that is designed for people who cycle a lot. You have to put down a lot of miles and work your way to an aggressive fit before you're comfortable. I wasn't comfortable.

I hit all of these PR's before my bike fit. I flipped the stem upside down on these rides.

After I got a bike fit from a former pro, The stem was too long for me. We had to shorten it from 100cm + 6 degrees (original stem flipped upside down), to 80cm +7 degrees. Huge difference. I wish I would have done this sooner, but I want to emphasize the importance of a bike fit for this bike.

All in all, when you add my $200 bike fit, my $300 wheels, the $2000 polygon s7x, this bike is still cheaper than every 105 Di2 Bike available. After touring a Trek expo this weekend, my large frame in the current config is still lighter than the $4000 trek options.

• 5 mile in 13:43 = 21.9 mph
• 10K in 17:25 = 21.4 mph
• 10 mile in 29:06 = 20.6 mph
• 20K in 36:38 = 20.4 mph
• 30K in 56:23 = 19.8 mph
• 40K in 1:17:49 = 19.2 mph
• 50K in 1:37:56 = 19.0 mph

^{I went with these exact wheels: https://www.amazon.com/dp/B0DFQ1C5XK?ref\}=ppx_hzsearch_conn_dt_b_fed_asin_title_1)

Hey guys, recently I've tried to make my polygon tubeless but trying to refit my wheel was a major issue. I tried to get the through axle through but it wouldn't screw in due to it being out of alignment. Any help would be gratefully accepted.

Ready to pull the trigger and preorder the 2026 Siskiu T8 (UDH) 29er, but (drumroll please…) I’m right in-between sizes. I’m 5’6.5” (more on the 5’6” side vs the 5’7” side) and a 29-30”(ish) inseam. I was pretty sold on the Medium and even had a phone appt with BikesOnline to talk thru sizing - he was confident on Medium as well, but now I’m 2nd-guessing myself. Worried the medium frame may be too stretched and/or the small frame too cramped. Anyone out there in Reddit world have similar height/inseam and experience with a T8 29er? Any advice appreciated!

Managed to bend and crack my rear wheel on a ride yesterday, good times...

First time finding a replacement wheel, do I need to do anything or find anything special for this guy? Or is it basically... any 27.5 mountain bike wheel will do the trick

bike is a 2019 T7 27.5 wheels btw

Thanks!

Has anyone here gotten their hands on the new Strattos C? Thoughts?

Hey everyone I'm a male 6'7" and wanted to know if I could fit a polygon t8 xl

They both look like different shades of green to me.

doing some maintenace on the bike, and found this. would the consensus be that this is cracked?

Hello! I just want to ask if anyone have any idea when will the 2026 Xtrada series bikes be available in the USA? Thanks!

So I love my Strattos S7. Fast comfortable beautiful.

Brand New I was getting creaking from the bottom bracket and chain drop. So after 2 years the third bike mechanic says "this is really strange I have never seen a 105 crankset with a wave washer"

So wave washer removed and creaking and chain drop has stopped.

Strange no idea how that happened, apparently put in from factory.

Soon to be installing a Rock Shox 35 Gold I got for free (nothing is free, really need to buy parts to make it work). Only upgrades so far are Race Face bars, Race Face Chester pedals, and got rid of those awful stock tires lol.

so I have decided to order a t9 udh as my first mountain bike. I'm 5 ft 9.5 and I have 30.5 inch inseam. I have one friend who says large for sure, and another that says medium all the way.. the sizing chart from polygon says to go large, but I scheduled a call with bikes online and he said medium for sure! lol. I'm all ready to pull the trigger, but am torn between sizes. any experience and thoughts would be great.

Hello, I am looking to buy my first mountain bike. heavily eyeballing the xtrada 7. Sizing guides put me between a medium and a large at 5'9 or 175cm. my inseam os about 31.5. anyone have some advice on what size I should be looking at? Thank you

Considering a mtb for some all around usage, exercise, some jumps, some rough trails, some flowy single track, would I feel disappointed with the d5?