The minimal design of the ShockStop Suspension Stem and Suspension Seatpost blend seamlessly with the aesthetic of modern bikes, while reducing fatigue and strain. The stem and seatpost work together to suspend the rider and smooth out rough terrain on the bike you already own, making your ride smoother, faster, and more comfortable. If you have a Canyon, Giant, or Scott, it may have an oversized steerer tube. If you're unsure if your steerer tube is standard or oversized, please email us at [email protected] and we can help you choose the right version. Benefits: Go farther - reducing fatigue that happens as your body absorbs bumps and vibrations Ride faster - feeling refreshed from the energy that is normally wasted suspending your body as it is converted into forward motion Take control - customizing your suspension feel to float over obstacles so you can maintain control Effective suspension travel: Up to 20mm on the stem, up to 35mm on the Endurance/PRO Seatpost Includes 5 swappable elastomers to fine-tune your riding styles Check technical specs for compatibility Stem Details: Lengths Angles Diameters 55, 70mm (Drop bars only) +6 degree 1 1/8" steerer tube 80, 90, 100, 110, and 120mm +/-6 degree 1 1/8" steerer tube - appropriate for most riders. Please contact us if you have a non-standard/oversized steerer tube and need 1-¼” size. 80mm and 100mm +30 degree 1 1/8" steerer tube Should I get the PRO Stem? • The ShockStop PRO Stem has a sleek, polished 'blacked out' appearance, and offers ~15% weight savings (depending on length) over the standard ShockStop Stem. It achieves these weight savings thanks to the use of Titanium hardware, and weight reducing CNC machining.• The ShockStop PRO Stem functions the same as the standard ShockStop Stem, and is the ideal choice for a more performance focused and weight conscious rider. Should I get the PRO Seatpost? • The ShockStop PRO Seatpost provides responsive, damped, race-tuned suspension that is highly adjustable via a combination of springs and elastomers. It also offers up to 13% weight savings compared to the Endurance. We recommend the PRO version for road, gravel adventurers and racers. Seatpost Details: • Optimized linkage geometry provides ultra-responsive suspension feel • The ShockStop Seatpost is available in Endurance and PRO Endurance. Full product comparison chart here. What's in the Box: • 1 x ShockStop Stem • OR ShockStop PRO Stem, 5 x swappable elastomers (2 pre-installed, 3 additional in box), and all required hardware • 1 x ShockStop Endurance Seatpost, 2 x springs (1 pre-installed, 1 included in box for increased stiffness), and all required hardware • OR 1 x ShockStop PRO Endurance Seatpost, (2 pre-installed elastomers and 2 pre-installed springs, 1 extra elastomer in the box), all required hardware