Shimano Nexus Sieben-Gang-Naben: Unterschied zwischen den Versionen

I purchased a Shimano SG-7R40 hub, and installed it on one of my own bicycles, an early '70's Peugeot PX-10 racing bike. My initial impression on actually using one was extremely favorable. I particularly like the RapidFire control unit, which is very easy to use and has a very light touch. I also am pleased at how well-protected the linkage to the hub is. This hub uses a rotating ring operated by the cable, inboard of the chainstay. There are no delicate parts protruding out past the frame, as with other internal-gear hubs. I find the range of gears quite pleasant to use, and the efficiency of the hub doesn't appear to be any worse than the Sturmey-Archer FM four-speed unit it replaced.

My Peugeot "PX-7" has time-trial style "cowhorn" bars, which are a lot like the bottom part of drop bars. The usual orientation for the RapidFire shifter is on the right, hanging below straight bars, where it may easily be operated by the right thumb. The cable runs inward parallel to the bar.

On my Peugeot, I have it on the left side, clamped to the bar just below the brake lever, where it it very convenient to be operated by my left thumb. The cable runs downward, making a neat run toward the down tube of the frame. This works quite well for me. I have a separate page about this bike, with pictures.