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The large chain ring and 11t on the back increases the chain load, if you try and apply full power in the 11t from a lower speed it can snap the chain . Have the opposite problem on mine wheel/tyre dia is almost 30 inches and the 48v 250 watt 42t front cannot reach full speed on the 11t

The micro spline is used so it lowers the physical overall dia of the locking ring , suspect it might be cheaper to buy a new bike rather than go 12 speed route o_O If you spider is 130 bcd you could go up to 60t on the front if you have the clearance, the joy of small wheels and a mid...

12 Speed 9-50T XD Cassette fits SRAM XD GX EAGLE Mountain Bike MTB Fre - Air Bike check out above link uk company 9t :rolleyes: but may be micro spline :eek:

A local has a 10t-50t Sram eagle 12 speed set up on his very expensive gravel bike, the rear frame down by the mech is tiny so the chain does not foul the frame the chain also is very thin

Be warned if you are asked to repair /replace a display on this bike a faulty750c water damaged. It will turn into a nightmare

Try the internal controller connections recently found silicone/glue over the pins another had lost the 5v supply water ingress :mad:

Several supplies on ebay in the uk but at twice the price of china

With out that washer / plate the load is all on the face of the big nut and is a problem to keep tight , Remade a thinner version in stainless steel see pic the replacement bbs01 in a specialized camber The 100mm/120mm version of tsdz2 will snap the main shaft at the circlip which has...

After several attempts with spiders just gave up and bought the lekkie copy bling ring As the spider nuts rubbed the edge of the motor but not tried that version

Does the display power up ? .Try removing the battery and refitting .Can you check the brake lever sockets on the main loom [ check not shorted ]

Does the display show any error codes and is ok with both unplugged

The alfine 11 would not be my first choice can prove fragile .Have used alfine 8 and nexus 8 with success. But depends on the bb style if eccentric type this can cause a problem, and always fitted a alfine chain tensioner. The picture i found of the 2013 version it looks perfect as has...

Try a 42t bling ring lekkie or a cheaper copy will help correct the chain offset Lots of people do not fit a throttle , unplug the brake sensors one at a time see if the fault clears they cause a few headaches

Do not get me wrong have in the past run bbshd at 150watt+ , but with the current local enforcement due to a few idiots that have drawn unwanted attention to the rest of us the bbs01 36v is a good choice

As soon as you adjust settings max current speed limiter etc you are no longer strictly legal just have the correct engraved markings My cube 29er has a 42t for summer but will not spin out ,but with a 36 t it will climb like a goat but has a lower top speed, i now miss my bbs02 that used...

The cube is an ams 120 pro not a easy conversion the bb had to be machined Yes you are missing something the new 48v bbs01 is fixed in the firmware and appears tamper proof and cannot be adjusted up from 12 amps. the software box is blanked out all other boxes can be changed in the usual...

My cube pictured has the 48v 250watt ok for a legal motor, but no torque increase over a 36v 80nm firmware is factory locked to 12 amps so a power increase is not possible

Still has the lumps underneath the eccentric bb, has to turn to tension the belt/chain :(

Lidl stand back in stock from this sunday 14 /8 £29.99 30 kg max weight

Well done a nice build ,my only thought might be the two raised heads on the bottle cage mounts could rub through . And after learning the hard way a couple of luggage straps on the outside of the bag around the frame as the bags can rip