Description
MASSI MST-550 SL Stem | High-Performance Lightweight Aluminum Road Stem
Elevate your ride and gain a competitive edge with the MASSI MST-550 SL Stem, a pinnacle of engineering designed for discerning road cyclists who demand the ultimate in performance and minimal weight. This premium stem is the perfect upgrade for any road bike, offering a significant enhancement in both steering precision and overall bike agility. If you are looking to shed precious grams without sacrificing an ounce of strength or control, the MST-550 SL is your definitive choice.
Experience a new level of responsiveness and confident handling. The core of the MST-550 SL´s exceptional performance lies in its advanced construction. It provides a rock-solid connection between your handlebars and fork, translating every subtle input into immediate, precise action on the road. This rigidity is crucial for powerful sprints, technical descents, and maintaining a stable line in the peloton, ensuring that none of your energy is lost to component flex. The result is a more connected, intuitive feel that inspires confidence and allows you to push your limits.
Designed with the modern road cyclist in mind, this stem features an oversized 31.8mm clamp diameter, establishing a stiff and secure interface with a wide range of contemporary road handlebars. This standard ensures maximum compatibility and contributes significantly to the front-end stability of your bike. Durability is further guaranteed by the use of high-tensile stainless steel bolts, which resist corrosion and provide reliable clamping force ride after ride, giving you peace of mind during the most demanding efforts.
Achieve your perfect bike fit and optimize your aerodynamic profile with the stem´s versatile +/- 7º angle. This allows you to flip the stem for either a positive or negative rise, enabling you to fine-tune your handlebar height for aggressive, race-oriented postures or more comfortable, endurance-focused positions. Available in a variety of lengths, the MASSI MST-550 SL offers the customization needed to dial in your reach and create a cockpit that feels like a natural extension of your body.
Discipline: Road Cycling
Material: Aluminum
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Specifications:
* Material: 7050-T6 aluminium (3D forged)
* Handlebar Clamp Diameter: Oversize 31.8mm
* Bolts: Stainless steel
* Angle: +/- 7º
* Available Lengths: 80mm / 90mm / 100mm / 110mm / 120mm
* Weight: 96g (for 80mm length)






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