2-piston or 4-piston? If you do, swap those out with metallic pads and you’ll slightly increase your power while descending. The automotive brake caliper has a basic problem. 4 piston brakes are a little more efficient at transferring energy, have more pad surface area, less fade, and less (slower) pad wear. Four-piston brakes are so much more powerful than a two-piston and, for many riders, they might be a touch too responsive. With changes all around, the new caliper design on the G2 sees less flex during hard braking and gets a better piston seal interface. But the cheapest setup is the 13.2 inch 2 piston brakes which can be found for $150 for calipers and rotors. Check out the photo below for a side by side comparison of a Shimano XTR 2-piston caliper and Shimano XTR 4-piston brake caliper. SLX brakes will be more powerful and consistent on long descents versus the Deore due to their new internal re-design to give them the same power as their DH rated Saint brakes. When you pull the brake lever, it’s nearly at full power. But if you definitely want a noticeable power increase, then let’s get you some brakes! 4-piston vs. 2-piston. The Saint brakes are a little bit heavier than the Code brakes they compete against, but with it comes a bit more power and consistency. I am 235 and saving 89 grams on a 2 piston vs 4 piston is beyond silly. Let’s figure that out. AUD Riding in any area with any vertical descending will be benefited from more powerful brakes. But there’s more to it than that! Isn’t their only purpose to slow you down? In this post I’m going to explain the differences between the two and then help you decide which type is best for you! After going back to my preferred brakes, the SRAM Codes, I could just totally let off the brakes and carry speed downhill because I knew that at the bottom of that steep bit I could grab a fistful of brakes and slow down REAL QUICK. Isn’t their only purpose to slow you down? XT M8120 4-Piston Brake Details • Intended use: all-mountain / trail • Four-piston caliper • Adjustable reach, free stroke • Servowave actuation So if you’re looking to just get some 4 piston brakes on your bike for the lowest price, we would highly recommend the Shimano Deore MT501/MT520. This makes controlling your speed smoother and easier especially down steep, loose terrain. More pistons spread the load more evenly on the pad so you use the pad surface more evenly, most 4 pot calipers (such as Zee/Saint) keep a similar piston area (or only a very small amount larger) as the 2 pots (XT) so the lever remains the same and no/little more fluid is moved. Max grew up in Atlanta, Georgia and started racing downhill at the age of 15. 2 piston vs 4 piston questions As an example the Formula Cura 2 piston weighs 359gms and has a good price. Before we get started, it might be helpful to identify exactly what is a 4-piston brake. For fast road & track use, the 4 piston / 6 piston caliper cannot be touched. One of the drawbacks to the TRP Quadiem brakes are their serviceability. The only time you just really don’t need 4 piston brakes is if you live in an area with mostly XC riding. The brake system is completed with Brembo CCM discs that ensure a weight reduction of 50% compared to cast iron discs. This force spreads the caliper apart like opening a book. 2 Vs 4 Piston Brakes I've got a new Kona Process 153 29'er that came with Sram Level T brakes. We’ll start on the low price points and work our way up to the best of the best. Last week I was lucky to … Mountain bike brakes come in two typical varieties: 2 piston and 4 piston. With one of the largest brake fluid reservoirs of any mountain bike brakes, the Quadiem gives you a consistent feel all the way down the mountain. But now onto our favorite, and what we consider to be the best brake on the market, the SRAM Code RSC. 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