Hi Folks, I did have my Tongsheng TSDZ2 up for sale, but I've kept it and installed it on a new mountain bike. I bought a nearly new Forme Curbar 2 locally for next to nothing, and put the motor on. Third time I've installed this motor. Key learning points:
1. Internal cable routing that emerged by the bottom bracket proved to be a pain, and I had to re-route the rear brake hose externally, just managing to tuck it behind the motor bottom bracket lock ring. It was a very tight fit, however.
2. On previous installations, I removed the front derailleur because it's not needed. On this bike, the cable is routed internally, and I really didn't want to pull it out in case it was needed in the future. I re-positioned the derailleur on the down tube, unhooked the cable and moved the handlebar shifter so it was out of the way.
3. Re-positioned front derailleur got in the way of fixing the rear mudguard. Had to cut a hole in the mudguard so it fitted over/around front derailleur.
4. Must remember to check and tighten all motor anchor bolts after a few rides. With the two previous installations, the motor bolts came loose after four rides.
5. Shakedown ride showed everything working well. It did feel that I was getting a lot of assist a lot of the time. With two bars showing, I was flying along. With three and four bars, it didn't feel like I was getting appreciably more assist, even when going up still hills and pressing hard on the pedals. Sort of all-or-nothing. I've been considering a thumb throttle - would this simply replace the handlebar mini-switch that plugs into the VLCD5 display?
1. Internal cable routing that emerged by the bottom bracket proved to be a pain, and I had to re-route the rear brake hose externally, just managing to tuck it behind the motor bottom bracket lock ring. It was a very tight fit, however.
2. On previous installations, I removed the front derailleur because it's not needed. On this bike, the cable is routed internally, and I really didn't want to pull it out in case it was needed in the future. I re-positioned the derailleur on the down tube, unhooked the cable and moved the handlebar shifter so it was out of the way.
3. Re-positioned front derailleur got in the way of fixing the rear mudguard. Had to cut a hole in the mudguard so it fitted over/around front derailleur.
4. Must remember to check and tighten all motor anchor bolts after a few rides. With the two previous installations, the motor bolts came loose after four rides.
5. Shakedown ride showed everything working well. It did feel that I was getting a lot of assist a lot of the time. With two bars showing, I was flying along. With three and four bars, it didn't feel like I was getting appreciably more assist, even when going up still hills and pressing hard on the pedals. Sort of all-or-nothing. I've been considering a thumb throttle - would this simply replace the handlebar mini-switch that plugs into the VLCD5 display?
