Next you can install your crank extension. This will require some
fiddly work, but you shouldn’t have to remove it again unless you
need to pack it ‘really’ small.
fig 10 a b
Firstly loosen the screws on the underside of the boom with
a 6mm Allen key and completely remove the front screw and
thread it in from the other direction.
Place a coin in the slot (fig 10a) and tighten the screw so that
the slot starts to open (approx two complete turns). Note don’t
place the coin too far in or it will stop the crank extension from
going in, AND careful to not over tighten, as this may make it
harder to fit the extension and possibly damage the frame.
Next step is to insert the extension into the boom taking care to
not damage the protective sleave inside the end of the frame.
Hint: starting it off with a slight angle can help so as not to catch
the edge of the sleeve (fig 10b).
Remove the coin and refit the screw in its correct position and
pinch up one of the screws.
fitting your crank extension
fig 11
Lightly grease the pedal threads and fit the pedals. Hint left
and right pedals have different threads, the right one tightens
clockwise, the left one counterclockwise. Tighten the pedals.
Sit on the seat and place your heels on the pedals and adjust the
extension so that your leg is straight when in the outstretched
position (fig 11).
To align the extension, sight along the top of the bottom bracket
to the front of the seat cover and rotate the extension until they
line up. Tighten screws when happy. Note you may find small
adjustments can make a big difference, so play around with this
setting before you do a long ride.
adjusting for your leg length
9
If you think you will change the leg length regularly, then you
should consider fitting the trike up with a Chain Gobbler. This
means that you will not need to shorten and lengthen the chain.
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