Please note that the Spectro 3×7 hubs are no longer in production and parts are becoming hard to find. We still have some Dual Drive parts, but none for the 3×7 spectro hub.

Posted: 2000-11-28 By: Bike Friday staff member Steve Ransom Symptoms Curious about the gray plastic band on the SRAM Spectro 3×7 hub. It doesn’t seem to have any function… what does it do? Causes It is entirely decorative. Solutions You can remove it if you like. Related Files SRAM’s Spectro 3×7 Technical Manual 2000 [pdf]

Posted: 2011-04-13 Symptoms I need more info on the 3×7 hub. Solutions If you’re looking for more information on the SRAM 3×7 (3×8) hub, we’ve found their Web site at http://www.sram.com to be chock full of useful information. Related Files SRAM 3×7 component schematic [gif]

Posted: 2011-04-13 Symptoms Shifting is off, and I want to know how the thing works! Causes Click box is out of adjustment Solutions The left hand shifter (which operates the internal hub), should be set into the lowest/easiest position to relax the cable going to the clickbox* for the internal hub. Note that in Australia, […]