This bike is pretty awesome. I gave 4 star review because of the peddle strikes, which are terrible. I had to flip the shock chip, put extra air in the shock and still get peddle strikes. I think the only way to change this is change the 170mm crank to something smaller.

Easy to set up and fun to ride!!! The tire bite into the trail no matter what condition, the transmission shifts smoothly and the bike just glides.

Did a 24 hour mountain bike race and this bike exceeded my expectations. Lots of front and rear travel, though I upgraded the wheels to carbon and less aggressive tires, everything stock works in sync, fusion dropper and Sram components are great. Highly recommended bike

Best bike I ever owned.

The Stumpjumper comp is an amazing bike. It is amazing for cross country. This bike’s dropper is so smooth and quick. With all the travel you can case almost any jump and be fine! My only downside is the water bottle cage. Not many bottles really fit inside it. Other than that great bike!

It’s a fun bike, for sure. I’m a middle aged man who got it just because my toddler sons enjoy doing the local single track, so I’m not doing anything crazy, but it’s fun when I go out occasionally by myself too, and easy to ride. The assembly service was only middle of the road though (handlebars aren’t correctly aligned, for example), and I’m not really confident about the loud noise the brakes make of lightly engaged. I know nothing about bikes, but it does feel a bit odd and I’ll probably get it checked out to be safe.

Dreamy bicycle, made me a much better rider

So far so good! I’m having a lot of fun with this so far. The ride is very smooth and it handles whatever I throw at it.

This bike conquers all. The frame is incredibly light and it feels nimble but also planted for me on an S4 as a 6' 1" 180 lb rider. The bike feels confident over all terrain and the suspension linkage perfectly absorbs small bumps as well as huge hits while also keeping your back wheel planted on steep climbs with little grip. I call it the do-it-all bike because I have taken on flow trails, tech lines, enduro courses, and jumps and it performs great on all of it. If you are gonna be riding more big mountain lines though I would go for the 160mm Stumpjumper evo, as i do find the 140mm a little underwhelming over some more gnarly and fast terrain.

It does what it says and does most things but if you ride more park then I would consider the Stumpjumper EVO.

This bike full sends and eats up any trail in it's path! Highly recommended if you ride a lot of gnar gnar.

Awesome Bike!

Bike is amazing and was super easy to build in our driveway :)

Absolutely recommend this for the advanced frame and decent (later upgradable) components!

I have had this since August 2021 and I'm generally very happy with the bike. It is a great trail bike. The handling is very precise, pedals really well. The build is rick solid and very tight - you will not hear any rattling, only the sounds of your tires on the trail and the free wheel hub. The bike generally climbs very well but the front end can tend to wander on steeper and chunkier terrain. If you lean towards XC and trail, I highly recommend this bike. If you lean more towards enduro, consider the evo. I'm 5'10", 180-180 lbs, prefer handling and comfortably upright riding position - as such, the S3 suits me well.

After years of riding a Specialized Hard Tail, this bike is like a dream. Smooth as glass and handles nicely. It took a while to get used to the 29-inch wheels, but after that it was great.

My dad bought this bike and I took it out for a lap around my local trail and I gotta say it’s really a fun bike!! It ripped and made the xc trails super fun, and handled surprisingly well in the chunky downhill sections too!