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I just spoked up an AKM128H into a 26" wheel, These motors have gotten more expensive since I bought my first one in 2019. I paid something like $130 USD shipped then. This most recent one cost me $175 USD shipped. Just a bare motor, Sapim spokes and a rim were almost $100. The nice thing is...

SO if you look inside the battery compartment, that funky connector is suppossed to slide right into any battery that goes in there? There's no other circuitry inside the cradle? Stupid design. Increases costs. BTWIN should have just bought a $10 controller and put it i the cradle..

Is this the bike. STandard rack battery? Nice looking bike. Why can't you buy a generic rack battery, Or buy a rack with the battery? They're not very expensive, with all kinds on ebay, Then the two power wires from existing rack if you must, and splice. Re-insert the new battery,

Yes. A decent one will cut off charging when cells are at designed max, DIY battery builders know how that works, or they should. Even so, quality bare cells can take overvoltage. From the Lishen 21700 cell data sheet. You can short circuit them or overcharge to 6.3V. 9.1. External...

I would hate to dremel a nice bike even though it's cosmetic. I've rerouted mechanical lines, bled hydraulic lines, but have yet to break and re-install a line, I would do that first. Does the ToSeven DM02 have more clearance to the downtube?

I recently changed the wheel diameter in my wife's OSF bike so her odometer readings would match mine. Made a blunder and set it for hybrid mode as the default. Immediate "Bike is broke!" complaint. I fixed it. Later, I jumped on her bike which I hadn't ridden in a while. I was surprised...

I have a bag like that somewhere. Never really trusted it ti not rip with time, I would get a L-shaped shelf bracket. Put a little floor on it. Put that in your bag and then bolt it to the bike. The floor will support the weight better. Might need some foam padding too,

For situations where I really wanted to use a torque wrench and there was no room....sometimes a crows foot wrench will fit. There's a special way to torque it,

Downtube UPP battery on a kit bike? Check your wires from controller to the battery cradle. If you soldered your own connector, look at your work. Also look at where the battery connects to the cradle pins. A long time ago, I had the connector on the battery side get unscrewed and it fell into...

As a DIY battery guy, I often found that new name brand 5Ah 21700 cells were often the same price as name brand 3.5Ah 18650, so the 21700 builds were lower cost for me. -Cost of goods? 65 18650 cells vs 39 21700 cells at 4-5£ (retail cost for me) per cell. -Weight? 48 grams for an 18650 and...

Also consider the Q100H. Freewheel version. Fits 135 OLD and will go down to 128mm if you change the spacers and use a 5/6 speed freewheel, |

1) I also was careless when I ordered a BMS from Be Much Safer and didn't check to order it with an on/off switch. I noticed it had the two solder holes for an on/off switch but they told me it couldn't be added, so I reordered, On some other designs , the BMS boards will omit the switch wires...

There's a recent post in the massive TSDZ2 OSF thread on endless sphere where a guy got this working. He posted a video which I think is in Italian, but he configured the motor using the VLDC5 as a choice, and when he connected the EKd01, it worked although it flashed an error on powerup.

140 miles so far ..7 rides.. and the bearing is not slipping. I am thinking there might be two ways it can slip. The first is when the sprags, which are little little wedges, get worn out so they won't jam against the bearing. The other is when they get stuck in the slipping position maybe...

Does TFT mean it can be seen easily in sunlight? I've installed an LCD9-L which has a throttle built in on left side. LCD9-R has it on right side. It does save some room on a crowded handlebar. I've also done an LCD11, another small color unit. Both units show watts and volts which I like to...

Thanks AnthonyC for stating a complex topic so simply! There was a time when I would think ..."Posh, They're in parallel. No way they can have different voltages." Then I paralleled a 2AH and a 5AH tool pack and the resultant capacity was 3AH. I blamed it on not understanding how their BMS...

Thanks for a well written review. Mirrors my experiences with KT, except I never use walk assist. I've tossed aside a few "speed" controllers to go with KT. The current control feel is so much better, I no longer use exposed controller boxes. If they get wet, water can seep in thru the wires...

You're showing a picture of a controller in a silver box. Is that's your existing controller or just a reference picture? If that's the existing unit, any battery works. If the 9 pin cable comes out of the battery cradle, then the controller is in there. You could be clever and cut the round...

First, I would gently warm the existing display with a hair dryer. Might have moisture under a button still. I guess you can buy another EDK01.

I've had to file many a dropout 1 mm deeper to allow the wider 12mm part of the axle remain centered. Was aware of stress fracture issues, so I tried to get round smooth cuts. Have never encountered a 9mm dropout. Don't think I would use one. Removing metal from a hollow axle sure seems "safety...