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So...it’s time to add a 52v battery to the stable, something bridging the gap my current 8Ah ‘pocket rocket’ (Samsung 30Q cells) and 20Ah (Sanyo GA). I’ll be going with one of these options from Bicycle Motor Works: 12Ah (Ampace JP40) 12.5 (Samsung 25R) 12.6 (Molicel P42A) 13.5 (Molicel P45B)...

Long story short: I searched long and hard for a unicorn of a bike (fat tire, step-through or low stepover frame, belt drive/IGH, Ebike already or Ebike-capable with a motor powerful enough to push ~ 300lbs of rider and gear through mostly off-road terrain) and ended up with a bike that checked...

I just completed switching out the components (controller, torque sensor, speed sensor, and wiring harness, all purchased via GBK) to convert my CANBUS Ultra 510/620 over to UART so I can tune/modify the settings. Everything seems to work OK (although the pedal assist seems slow to engage, but...

Like new takeoff from a new fat tire MTB ebike I recently purchased. It was installed on that bike for quality control/testing by the manufacturer/seller, but otherwise never ridden. Advertised by the bike seller as 140mm of travel, but I was unable to find a direct match for this model to...

Hello! I’m looking for what might be unicorn, but wanted to see if anyone has ideas/suggestions. I’m a backcountry nature photographer/trail camera enthusiast and have been using a BBSHD-converted fat tire e-bike for several years now to get to rough/remote locations. I’ve spent enough time on...

Hello all, 'Helping the wife choose her first ebike and this "adventure" style bike seems to check all the boxes for a good "all-around" bike. My main concern is whether it has sufficient power/torque for some hilly gravel riding and occasional moderate hilly off-road (two-track) now and then...

Sounds like most folks who buy these like them/keep them, but if you have one you're not wanting to keep for whatever reason, let me know what we can work out. Thanks!

I'd like to improve the chainline on my BBSHD fat bike. Attached photos will show my current setup with the Eclipse 36T ring. I'm not throwing the chain, but shifting is rough and certainly there's chain wear when I'm in the larger rear cogs of my Sunrace CSMS8 11-46. I have the 120mm BBSHD and...

* SOLD * Used about 2 months; works perfectly and screen protector still in place. I just don't find myself using/needing the amp-hour information like I thought I would. I've wired in XT 90s (anti-spark) connectors/pigtails that I'll leave "as is"; obviously these can be removed/replaced...

I'm sure I'm not the first to use a belt to secure a frame-mounted battery, but thought I would share this one which seems to work well. This is the belt off Amazon. The thing I like about it is that it has just the right amount of elastic "stretch" to be cinched up nice and tight, and the...

OK, so I'm doing a BBSHD build on a fatbike model with no prior builds for guidance. I measured carefully, posted some threads, got some advice, and ultimately decided the 120mm size was the 'best bet' due to concerns about clearing the chainstay. Good news is there's no issue with the chainstay...