nisso aki eu discordo do kinbold:
3) Quanto mais espuma e área de contato, mais confortável.
o q eu dou valor no selim nao é o "padding" - é a flexibilidade.
se tiver 2cm de espuma mas tiver a base rigida, vai ser mais desconfortavel do q um selim com base flexivel e sem padding nenhum.
falo por experiencia propria: selim com essa caracteristica de flexibilidade pra mim, ate hj, so serviu o spz toupe (tenho um em uso e mais dois de reserva...)
é claro q cada um sabe a bunda q tem, mas esse eu recomendo fortemente - pelo menos pra testar
EDIT: vejam o q falei sobre flexibilidade (tanto da base, qto dos trilhos) - sao os primeiros pontos a serem verificados na escolha do selim
http://pronetcycling.com/choosing_a_saddle.htm
Which Selle Italia Saddle Is Right For Me?
Every cyclist needs a saddle, but saddles, like cyclists, are all different. At ProNet, we are dedicated to helping you select the most comfortable, attractive saddle to fit your cycling needs.
The following checklist will help you narrow down your saddle selection. Ultimately, the shape, cover, material, padding, and color of the saddle are up to you.
The first thing to think about when purchasing a saddle is flexibility. The more flexible the rail of a saddle is, the more comfortable the saddle will be to ride. This flexibility helps absorb road vibrations and impacts, thereby reducing rider discomfort. The most flexible rail material is Carbon, which also is the lightest and most expensive. The least flexible rail material is steel, which also is the heaviest and least expensive. Other rail materials that vary in flexibility, weight, and price include Titanium, Vanox, and Manganese. Rails also should be as long as possible to provide the most flexibility and shock absorption.
The base of the saddle should be nylon, rather than plastic. The flexibility of the nylon will absorb more road vibrations and shocks than a plastic base. See the difference for yourself by pushing against the saddle base with your thumb. If it is nylon, the saddle base will move; if it is plastic, it will not. The stiffer the base, the stiffer the ride! All Selle Italia saddles are manufactured using Nylon composite or Nylon/Carbon composite, except the Carbon Weave saddles (the CX Zero Black, CX Zero Teknologika, Optima, SLR C64, SLR Teknologika Flow, and SLR Teknologika). Nylon/Carbon composite saddles are lighter, but stiffer.
Padding alone is not enough to judge comfort. Have you ever sat on a cushion or pillow that’s been placed on a concrete, metal, plastic bench or bleacher? Eventually, you feel the hard surface underneath you, even with lots of padding. It is the same with a saddle. No matter how much padding a saddle has, if the base and rail are not flexible, cycling with that saddle will become uncomfortable.
Properly adjust your saddle to make it comfortable. This requires patience, as only you can determine which adjustments will work best with your riding style.
Position the saddle so you do not reach too far forward or sit too upright. To accomplish this, don’t slide your seat forward or aft on the rails more than a few millimeters (a saddle should be mounted as close to the center of the rail adjustment as possible). For maximum comfort, you may need a different handlebar or seat post for your bike.
The angle and height of the seat are also important.
A basic rule of thumb is that the height of the seat be adjusted so that your leg is straight out when your heel is resting on the pedal at the bottom reach of the crank and your foot is parallel to the ground (don’t overextend the leg or have it curled).
Adjust the angle of the saddle to fit you. We have found raising the nose a bit (4 to 10 millimeters) will improve the comfort. Re-adjust as necessary, but again, not too much at one time. Going from one extreme to another will not help.
Unlike synthetic covers, leather covers do not sweat. Consequently, even though leather is more expensive than synthetic, it also is more comfortable, reducing friction and irritation. Lorica covers are another option. Lorica is a highly technical material created from a mesh of ultra-fine microfibers. This mesh is then treated with special resins to form a micro porous structure that is durable, soft, and breathable – just like natural leather!
Shape is the most important aspect of purchasing a saddle. Your saddle should fit not only your sit bones but also the muscle development and fat in the area that rests on the saddle. Measuring just the sit bone width does not account for either muscle development or fat areas and can lead you to purchasing the incorrect saddle.
There are several different Selle Italia saddle shapes. Men’s saddles like the XO series, C2 series, Prolink series, SLK Gel Flow, Max Flite series, Turbomatic and SLR series and women’s saddles like the SLR Lady Gel Flow, SLK Lady Gel Flow, Lady Gel Flow, and Diva series have several riding positions because of the flat area on which the rider sits. Saddles like the Flite, Flite Classic, SLC SLR SuperFlow and TURBO are less flat, allowing the rider fewer sitting options.
Analyze and evaluate your riding style and body type:
If you move around a lot and ride in several positions, a flat saddle probably will be more comfortable. If you tend to sit in one or two positions, a curved saddle may suit you better.
Flat, wide saddles provide better support for cyclists with wide sit bones and larger muscle development and fat areas. If a saddle is too narrow, the sit bones will not be able to support the soft tissue area over the top of the saddle.
Narrow sit bones cause a rider’s legs to rub against the edge of a flat, wide saddle. A narrower saddle platform would be a better choice.
What saddle are you currently using? What don’t you like about it? Focus on saddle options that will help eliminate problems by comparing your current saddle to shapes of saddles available.
Keep in mind that padding probably is not the answer.
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Mede por alguma outra magia pelo visto. Mas não falou pra mudar o meu 135, então tá bão. 
