bosch gen 4

Hi, Installing a spider for Bosch Performance CX Gen4 sounds to be easy and a seek for help might stupid, but I have ran into some issues: 1) My framework is non boost, measures ~140mm on rear without wheel removed so it is 142mm non boost, as boost is 148mm. For my bike by the manufacture...

Hi , I’m trying to find out which length cable I need to buy for a powermore 250 . My bike is a trek rail 9.8 gen 4

I'm sure we've all seen some comments of people stating that Shimano is unreliable motor without any potential service options, but is that really true? Does anyone really have some issues with it on a longer term , and is it true it cannot be serviced? I'm asking real owners not internet specs...

Problem with Bosch CX Performance Gen 4 from 2020: After 9000km clicking noise developed, always in the same pedal position, one or two times per revolution, more on left side (not crunching or creaking). Most noticable if cruising in TOUR or eMTB mode, less in TURBO. No clicking noise at all if...

Hi, got my new bike yesterday from tredz. Took it out for a 13 mile ride, no issues. No rain, no water, no crashes or big bumps. Just well maintained tarmac bike routes. Put it in my garage last night and now it won't start. Everything was totally fine. The controller unit lights up, then Down...

Hi there, I have a Cube reaction hybrid pro. 3 months old with about 850 miles done. After my last ride, did the usual, cleaned the bike, put on charge etc. When I disconnected the charger, reset the trip mileage and stored the bike. 2 days later was prepping for a ride and the purion didnt...

Hi, I recently bought an Orbea Wild FS with bosch gen 4 motor. First couple of runs worked fine after a couple of runs kiosk display did not showed battery percentage nor speed and stopped assisting. Kept pedaling and after a while it started assisting again and it kept going on and off all the...

Hi , ive got a mondraker E crafty R 2020 with the bosch gen 4 motor , ive just fitted a volspeed v3 chip , which worked great for the first 20 miles , now my bike has developed a fault , the motor is kicking in and out of power every revolution of the crank , i dont have any fault codes up on...

Hi, Anyone have any experience with a Shimano 12 speed Hyperglide+ and a SRAM 12 speed chainring? (Bosch Gen 4 for info) From reading elsewhere ome folks seem to have installed it no issues, others say you must use a Shimano 12 speed chainring. @Gary any insight at all?