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Running Men
4125 Market St #10
Ventura, CA 93003
(800) 235-3333
Universal Adjustable Length Crank Kit

Modify any bike for pediatric use

Attaches to existing cranks (including forged cranks) of any ergometer. The kit, once installed, serves both adults and children ages 6 and older. Pedals can be set along the cranks at 11, 12, 13, 14, 15 and 17 cm with respect to the center of the crankshaft. The kit includes installation and pedal positioning tools.

Installation time: Approx. 15 minutes. Adapter plate is installed on your existing pedal crank, see photo for rear view of typical crank installation.

Pedal repositioning time:
Approx. 3 minutes.

On some Lode ergometers removal of the round, rotating, plastic disk through which pedals protrude is required.

New 2013 Monark bikes need modified version, see model 17900-M below.

Last Updated: 2 Jan 2020

Qty Product Catalog Number Price

Universal Adjustable Crank Kit 17900 650.00

Adjustable length crank set for 2013 Monark 17900-M 675.00