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Worth noting that if you look at my wheel circumference, in the first eMax screenshot I had Shimano set it to 2192mm, which is my actual rollout. However now that I've got access to modify this setting, I divided my actual rollout by 1.6 (the ratio of 1.6 kilometers to a mile) to get 1370 mm. I...

Crib Notes Summary: A walk-thru of my unlocking a Taiwan-region Shimano EP8 motor, purchased from an overseas vendor via AliExpress. The motor is speed-restricted to 16 MPH and 400W. Firmware version is 4.1.8 and is software-locked, preventing Shimano USA tech support being able to switch it to...

I have a happy update to this saga! It works! This all has deviated quite a bit from the original post that kicked off this thread, so I'll write something more specific and detailed in the Shimano forum in the coming days. Here's my attempt at keeping this update brief: My AliExpress EP8...

I've been cursed with collecting a couple too many bikes, and a pretty compact storage space (I won't pretend it's a garage, let's just admit it's the bike shed). About two years ago I just couldn't take it any more and invested in a system called "Space Rail" from a UK outfit called Stashed...

Oooh-wow-wee this was unexpected. Shimano told the shop that they couldn't speed de-restrict my motor, that certain regions are "locked out" and mentioned specifically Vietnam. Now I would have thought that Shimano Tech, if anybody, would have admin privileges to make that happen when remoting...

Hey an update just for what it's worth, the bike is with a shop and in the work queue for an online session with Shimano. When the E030 message is present (shifter is plugged in), I managed to get the electric shifting working across all 8 gears, but the motor remains off / no assist...

Dang I've been taking my sweet ol' time with this build. Need to get it finished up. The new EP8 (800) motor is installed, I neatly tucked away the SD300 -> SD50 adapters, looking good except now I've got an E030 error when I power up the system. No error messages present in eTube for Windows...

Same. For example, I contacted Bosch about adding electronic shifting to my wife's Bianchi. Their reply: can't help you, contact Bianchi. Bianchi's reply: can't help you, contact your bike shop. At least with Shimano, they'll talk to me, and they offer the necessary guidance, tools, and support.

Oh yeah, Shimano and I have a long history going back to the original Hollowtech cranks using different spindle lengths for the LX and XT crank arms, and all the chain width Tomfoolery when 9 speed was first hitting the MTB scene. I should have expected this!

Another stupid update: I did indeed need the new motor cover. Thankfully only $17 and shipped with the adapters I mentioned in the previous post. I got everything plugged in and great, the SD50 to SD300 adapters do what they're supposed to. So far, so good. And success! The EP8 recognizes...

Quick update: Motor arrived from China cocooned in bubble wrap and stryfoam, part number is correct (EP800), looks new with assembly grease on the spindle, plugs in ports, includes accessory screws and spider lockring, but no cover. I was thinking I would re-use the cover from the E8000, but...

You got it, fingers crossed. BTW just putting it out there... I wrote my last few posts thinking of Di2 shifting + Alfine as sort of a high tech "cool to have" feature but not really a necessity, that this is all sort of just a silly and unnecessary pursuit for me. However I've been riding...

I've been keeping an eye out for some good ebike deals for my folks, who have recently expressed some interest. I envision a step-thru for my dad (he's in his 70s now, so, ya' know... I love my step-thru cruiser!) but an Electra for mom just because she's expressed some concerns about stability...

OK thanks again @BlackHand you sent me down "the path" (you know which one) and here's what I came up with: EP801 uses Shimano's 2nd gen battery tech so would be incompatible with the Felt battery. The Yuba Mondo frame I have access to is a EP-800-CRG (cargo version) using the 1st gen battery...

You don't say?!? I just so happen to have access to an EP8 on a Yuba Mondo frame, which is the winter cargo project I'm formulating. Since that cargo bike would get the Rohloff that's currently on my Xtracycle, I'm not in dire need of gobs and gobs of torque. Sure, nice, but I'd bet the E8000...

FWIW the Di2 derailleur option sounds interesting but I'm kind of a gear hub freak. The only derailleur I ride is my road bike. My other bikes are a collection of Speedhubs, Alfine, Nuvinci, a Spectro and a Pinion. I feel committed to the cause. My winter project is going to be to electrify my...

(Formerly titled Shimano E8000 + ... Alfine 8? Rohloff Speedhub?) I thought I was all set. I retired my get-around street bike, a 2017 Raleigh Misceo ie with an E6000 motor (link) and an 8-speed Alfine with electric Di2 shifting. I kept the Misceo's rear wheel & Alfine, and outfitted the bike...

I run a Speedhub on our tandem and it's been bullet proof. I haven't used them, but there are electric shifting options for the Speedhub and I believe there's an auto shifting option in conjunction with Bosch motors.

I'd like to hear more about the timing of the release of the bike and the firmware -- it sounds like you have the inside scoop there. But for anybody who hasn't read through this long post: - firmware was updated - per conversation with Shimano tech, crank position relative to the index mark...

Hmmm is right. But the problem must lie in that clutch, no? Just based on the condition you're describing? Unless the motor is kicking in too severely, over-running your pedaling cadence, effectively advancing the large sprocket beyond the engagement point the clutch is currently locked into...