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~500 mile review. Still loving the bike. The build is a beast and I’ve ridden it very hard in some nasty, wet conditions. The best thing is the overall quality of the build, especially mechanical components, wheels and tires and the enduro setup. The bike goes over every obstacle - uphill and...

Usually related to the connection between the battery and the bike. I take the battery out, clean all the electrical connections (both battery and bike) and then reinstall the battery. Sometimes I have to reinstall the battery a couple of times before the connectors seats correctly. Mine also...

Same experience and view as Limbojim. I have the Fs3 with many, many miles and all failures have been due to other equipment, not motor. Be careful with battery and chain as mentioned elsewhere and you’ll be fine.

Ravi/Link - good eyes on the frame size. It's their 54cm version - my son (6'4") and I (6'0") share bikes so it's a reasonable compromise. My other Bulls is 49cm and it's a toss up as to which size I prefer. If you're below 6', get the 49cm. Range seems typical so far (twin 375wh) while using...

Two very hard, messy rides in and this things is the best ALL MOUNTAIN bike I’ve ridden (yes, I know it’s an enduro). Have to adjust the set up a bit - less sag (higher psi) and near lockout compression (firm on shock) to help climbing. The bike climbs very well and is a BEAST downhill and over...

My new E-CORE EVO EN Di2 27.5+ was just delivered to Voltaire Cycles here in NJ! Thanks to Chris at Voltaire and Adam at Bulls for keeping me up to date on delivery. It's been a long time waiting but I'm sure it's going to be worth it. Now I have to find a trail clear enough of ice to ride! This...

Beautiful build, puts mine to shame. :) Any suggestions on a chain guide? Still concerned about dropping my chain which has happened to me before. Any suggestions would be appreciated.

How have sidewalls held up? That’s the real downfall in my area (NJ) due to rocks. Nobby Nics are the only ones I’ve found to hold up. Hopefully Eddy Current sidewalls are as beefy as the tread. Would love to hear your experience.

I’ve ridden Nobby Nics a long time and find they give excellent traction and durability. Only issue is rear grip on uphill, loose terrain. One ride near home is always a fail as the rear washes out. Enter the new Eddy Current! Just arrived today so it’s not yet on the rear but it looks like a...

Great minds think alike on converting to a 1X11 but I took a different approach. Used the existing spider, removing the inner 28T chainring and replacing the 38T outer ring w a 32T. Agree that the 32T w motor is just the right gearing (I also think a 30T will not fit on the outer spider!). I...

Also have the same bike and agree with previous comment. Don’t think it’s the tape but rather the Schwabe bead is very tough to get over the rim. I use three heavy duty tire levers to get the job done, especially getting the bead back over the rim after switching the tube or tire. I had a blow...

Have always ridden clipless (about 30 years total and about 20 years mtb) and like the positive pedal engagement they give. Even in near wipeouts I feel it gives me more stability to “pedal through” the challenge. I found this to be one of the biggest differences w ebikes in that using my power...

I also have the estream fs3. I ride very hard and it has never let me down. More than enough power and torque too. Mine has three levels and I only use the second level even on uphills. Max assist makes for a very easy ride, especially on flat trails. The battery has a lot of storage too so you...

I have the exact same bike and have experience power/display cutting out while riding. Here's what I discovered and how I solved my issue, maybe yours is similar... I ride my bike hard and in nasty, wet conditions. Most times I hose off my bike to remove grime and dirt after a ride. No issue...

High praise for KMC! Update on my chain break posted on Oct 16th. I reported the break to KMC and Bulls. Focus on good news - High praise for KMC! KMC immediately supported replacing the chain while noting that it could still be operator error (I can own that!). I jut received the replacement...

Good guidance for the rider. Issue I have is same as other commenters in that I have ridden MTBs for decades (literally) with ZERO chain breaks. I understand it's a different technology but then the rider AND machines need to adapt accordingly. I'll take the advice AND be looking for the chain...

Bulls FS3 27.5 plus chain break of internal link. Just bought this bike last week and experienced the exact same chain break issues described including the high pitched noise from the motor. Link that broke was internal and it happened going uphill. Have already contacted Bulls and they said I...