Still not sure what ISPs bring to the party outside of TT/tri bikes, where I can see the 'aero' thinking. But in general, bit of a solution looking for a problem?
Admittedly, I am biased having had to play around with saddle height in the last year to accommodate a hamstring injury (dropped seat 1cm) and a hip flexor injury (increased 1cm), but that might have been a struggle with an ISP.
Silver hubs.
Still not sure what ISPs bring to the party outside of TT/tri bikes, where I can see the 'aero' thinking. But in general, bit of a solution looking for a problem?
Admittedly, I am biased having had to play around with saddle height in the last year to accommodate a hamstring injury (dropped seat 1cm) and a hip flexor injury (increased 1cm), but that might have been a struggle with an ISP.