Have a look here for kits, they have gear sensor add on too. Just decide how much power and range you wantIs it possible/practical to convert my Day One to a Steps system? I really don't want a hub motor, so if the Steps is a 'no go' is there an alternative?
i do love the look of this bike - its a great self buildYou can get the TSDZ2 with a double chainring, but I'm not sure how happy an Alfine would be running one, since Shimano designed to be just a 1x. You'd need to get creative with the chain tensioner. Even if it you could make it work I don't think much would be gained running it as a 16 speed bike since the standard 8 gearing gives a useful spread of gearing.
With my DZ2 running 42:18 gearing (chainring/sprocket) I hardly ever use the lowest 3 or 4 gears and they are only really there as 'get me home gears' for when the battery goes flat, and pedalling a dead 20kg ebike is no fun . So in effect it's a 4 or 5 speed with motor assistance. The 42/18 tops out at about 25mph, which is enough for ripping round town - I could go faster but I'm not one for peddling like a Tw4t.
I'd like to go a bit higher with the gearing but Aflines like to stick as close to 2:1 ratio as possible (ideally 42:20) and can be prone to damage 'over torquing' if you go outside the recommended ratios. 42:18 works seems to work OK
My battery is known as a 'hailong' (due to the shape of the case), and is a bit smaller than the above mentioned shark. it's 36v 15ah and was from http://eclipsebikes.com/product_info.php?products_id=107
And I got my motor kit from a reliable firm in China, and it's delivered from their warehouse in Germany, so no silly import taxes
@DaddyPaddey Do you have flats or drop bars?
oh and piccies...
View attachment 463942 View attachment 463943
Mine? On the photo they are Cube own brand 'Trekking' mudguards, which have since been discontinued. They are a sporty composite of two layer of ali with a plastic centre layer which gives them a balance of flex and rigidity to allow the minimal use of stays, which are chunky 4mm dia stainless.What fenders do you have on that bike?
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