At 103 grams this is lightest, most advanced alloy stem in the Ritchey line, & possibly the world. This revolutionary patented design starts with a bar clamp that wraps a full 260 degrees around the handlebar to distribute clamping stress more evenly through the handlebar, faceplate, hardware & stem body. The steer tube clamp uses three bolts & a curved slot to reduce clamp stress on the steer tube. The body is 3D forged from an advanced 7050 aluminium & internally machined for further weight reduction. Premium quality Cr Mo steel bolts are used throughout, but in a smaller M4 size that shaves a few more grams with no sacrifice in strength or rigidity. The resulting CEN-approved stem is 20 grams lighter & even stiffer than our already stiff & lightweight 4 Axis.
Details:
- 3D forged & internally machined 7050 alloy body
- 4 x M4 faceplate bolts & patented 260 degree bar clamp design reduces weight, increases stiffness & distributes stress more evenly
- 3 x M4 steer tube bolts & curved clamp slot reduces weight & steer tube stress
- 5 Nm torque max on all hardware, same as 4 Axis stems using M5 bolts
- 30% stiffer than Ritchey's legendary WCS 4 Axis & 20 grams lighter
- Fits most road & mountain bars
- Weight: 103g