December 31, 20187 yr I'm seriously impressed at your speeds. 26" trikes are faster than 20" and your Azub is lighter than my HP Velotechnik but that's still very impressive. Sounds like, with a motor, you should get a 60t We'll save that for the vélomobile... I can't pull 48:11 any more - too old now, so 60 would not be on the cards. I did look at 50-34 compact double on a 110 BCD spider but I think 48-32 on the 104 BCD spider will suit me just fine. I got very fit riding a couple of times a week - my Wh usage on the upright went from 7 Wh/km to 5.8 Wh/km over a 4 month period.
January 1, 20197 yr Thinking of buying a Sunstar SO3, 250w 36v mid drive motor. They look well built. Leaving the price out of the equation what do people think of them? I'm aware that they've ceased production & future service may be difficult. It'll be going on a recumbent trike with a Rohloff IGH which I'll be be keeping. Be aware, ime the rohloff wont always change gear under load - stopping pedalling to change gear is the only way to ensure a smooth gear change
January 2, 20197 yr Author Be aware, ime the rohloff wont always change gear under load - stopping pedalling to change gear is the only way to ensure a smooth gear change I've had rohloffs for 10 years and you're right. However, for me, the advantages outweigh the disadvantages. On a 'bent trike there's not a problem. If you misgear you just stop, select the gear and go, No balancing, no lifting the rear wheel.
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