The Controltech Stems RAS-23 offers precise handling and increased stability with its advanced RAS-23 feature. With this innovative technology, you can expect improved control and responsiveness on your rides, making it the perfect choice for serious cyclists. Upgrade your performance and enhance your riding experience with the RAS-23 stem.
Built from 3D forged 6061 aluminium. Forged is significantly stronger than the cast methods of the building but requires less material, resulting in a stiffer and lighter stem.
The faceplate is also constructed from 6061 aluminium, with a strength comparable to steel.
Easily flips to give a 5° rise or drop depending on your aerodynamic ambitions.
Because correct stem length is vital for comfortable bike position and good handling, the One Drop Stem comes in six sizes, from 60mm up to 80mm. Fits 28.6mm steerers and 31.8mm bar clamps.