The Echelon does offer the Rolf Prima Vigor technologie at a bargain. It comes with the TdF2.4 hubs that use sealed bearings and a forged alloy freehub body. Made for rim brakes and tubelesss ready.

spezification:
- 622 (28", 700c)
- 16/20 Sapim Aero spokes
- forged alloy freehub body
- rim width 23 mm (outside) und 19,5 mm (inside)
- rim depth 32 mm
- O.L.D. 100 / 130 mm, quick release
- weight 1630 g per set