S1 Stem Road 31.8 OS BLK/BLK or BLK/RED 90-130mm, 99g (90mm) $174.00 shipped Tested in the 2007 Tour de France by Team Astana, the key to the S1 Stem is the exclusive use of Rotor’s patented DTT design (Double Thread Technology); a double threaded design which eliminates the need for a head on the bolts. Each end of the bolt has a different thread pitch allowing for numerous technological advances not found on any other stem. 7.5 degree +/- rise/drop. Click here for product details and information regarding availability of other sizes. Free UPS ground shipping to any continental U.S. address ($8.00 value).

All items are in stock unless otherwise noted. Select your Rotor S1 Stem, and add to cart: 31.8 OS BLK/BLK 90mm $174.00 31.8 OS BLK/BLK 100mm $174.00 31.8 OS BLK/BLK 110mm $174.00 31.8 OS BLK/BLK 120mm $174.00 31.8 OS BLK/BLK 130mm $174.00 31.8 OS BLK/RED 90mm $174.00 31.8 OS BLK/RED 100mm $174.00 31.8 OS BLK/RED 110mm $174.00 31.8 OS BLK/RED 120mm $174.00 31.8 OS BLK/RED 130mm $174.00