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There are a lot of stationary sizing cycles out there, but the $2395 Calfee Sizer, designed by Bernie Mikkelsen, allows you to crank the length in or out using the wheel at the end of the long threaded rod while the rider is pedaling. The tape measure clamped to the steerer allows you to see the exact top tube length as it changes, and the handlebar height above the ground is its actual height above the ground on the bicycle. The Purely Custom no-tools quick-change seatpost (spin the saddle to release the saddle clamp to change the tilt or fore aft, and twist it back) and the adjustable-length crank with bubble level are both designed by Jeff Keller.
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There are a lot of stationary sizing cycles out there, but the $2395 Calfee Sizer, designed by Bernie Mikkelsen, allows you to crank the length in or out using the wheel at the end of the long threaded rod while the rider is pedaling. The tape measure clamped to the steerer allows you to see the exact top tube length as it changes, and the handlebar height above the ground is its actual height above the ground on the bicycle. The Purely Custom no-tools quick-change seatpost (spin the saddle to release the saddle clamp to change the tilt or fore aft, and twist it back) and the adjustable-length crank with bubble level are both designed by Jeff Keller.
