Knee bend under 60 degrees Retroflex RX2 or RX3 Knee bend over 60 degrees Retroflex RX2 or RX3 Recreational trails and road Retroflex RX2, RX3 or Comfort cranks Rehab following surgery Retroflex RX2 (Exercise Bike or Static Trainer) Sport Road Retroflex RX3 or Custom [...]
Slightly, but often not as much as one might imagine. It will of course vary between users, depending upon each persons available range, fitness and strength. The Retroflex Adjustable Cranks and Comfort Cranks is simply facilitating making outdoor exercise accessible and enjoyable, to be able to enjoy fresh air, and to be able to reach [...]
Yes we can reduce the width of pedalling with a custom crank system - please contact us for more information.
No the cranks are a fixed position which drop your knee bend to approximately 90 degrees whilst allowing a lower than normal seat height.
We recommend you seek medical advice before using this post surgery.
We recommend you have to be a very experienced cyclist to use clip and also consider the twisting action on the knee when un-clipping
Yes the cranks do not affect the operation of gears whether they be derailleur or hub gears
Yes the cranks can be adjusted should you improve or if knee bend becomes lessened.
Yes you can. It can be used on both sides and with different knee bend ranges.
The system fits any bike that uses a bolt or nut to retain the crank arms. If you are not sure just send us a photo and we can advise.
