transformparts Bicycle Bike Layback Seatpost Seat Post 25.4 350mm

Product Information

If you don't feel your bike needs to be any more comfortable, and you're not fussed about 100 grams, then aluminium seems like a smart choice. If you want to drop the weight or add some cushion, look to spend more. If you use a carbon seatpost, make sure to fit it using a thin layer of carbon paste as this stops it slipping. Pay attention to the quoted torque at which you should tighten the bolt - overdoing it can cause it to snap. If you don't own a torque wrench already, here you can find our recommendations for the best torque wrenches for bikes. There are a few things to bear in mind when choosing a new seat post so here’s what the differences are and what they mean for you. While the vast majority of standard seatposts are identical in form and function – being hollow aluminium or carbon tubes upon which the saddle is clamped – there are a few essential differences to know about when choosing or replacing a post. There's the Canyon VCLS (it stands for Vertical Comfort Lateral Stiffness) seatpost, which uses a 'v' shaped split to create two thinner strips of material and thus disrupt the buzz from that nasty tarmac before it reaches the rider.

Though some brands like to play exception to the rule, the majority of bikes are designed to fit a seatpost of either 31.6mm or 27.2mm. The saddle clamp will be held in place with one or two bolts. Twin bolt systems are more common as they are more secure and spread the load better. Some have the bolts fore and aft, some are left and right, it just depends on manufacturer.

Hope Carbon Seat Post

At 300mm in length, the Enve seatpost is available in 0mm, and 25mm-offset versions. While quite a few carbon posts have a metal clamp head bonded on the top, the Enve post is carbon through and through. Some manufacturers produce a saddle with an oval shape rail which can only be used with corresponding seatpost. It looks round from a distance until you try and put it in a traditional saddle rail and tighten it… Colour They all do the same job and look pretty much the same but take a closer look and you’ll see a lot of subtle differences. We usually take very little notice of seat posts but they can have a surprising effect on the comfort of the ride. Finally, there are a number of ‘non-standard’ seatpost designs worth mentioning, the primary ones being aero posts (for road and TT racing) and dropper posts (for trail and gravity MTB riding).

Concerted efforts have been made in recent years to further squash out the road buzz that can translate to fatigue over long miles.

Layback

The Twin Link clamp uses two bolts with expanding wedges to adjust saddle angle and is easily accessible from the sides below the rails. Part of the Enve Road range with the Enve Road bar and stem, it's unsurprisingly top-level componentry with a top-level price to boot. The introduction of carbon to bike manufacturing was a game changer for seatposts. Not only can it help to reduce the overall weight of the bike, but the way in which carbon components are manufactured – by building up layers of fibres –can be adjusted to give it the perfect blend of compliance and stiffness. From damping to deflection, the best carbon seatposts can help soften vibrations and take the edge off impacts. If it has a round seatpost, however, you are likely to have far more options – but diameter becomes all-important. The two standard diameters are 27.2mm and 31.6mm and all of the seatposts featured in the guide will fit one of those two sizes, while some have more options in between. How much is the nose of the saddle behind the BB measured vertically with the bike on level ground?

Construction material plays a large part in comfort. Alloy, titanium and carbon are the three materials to choose from. Like handlebars, wheels, and nearly all other bike components, seatposts come in a variety of materials, the most common being aluminium and carbon fibre. As always, carbon commands a higher price tag, but it usually weighs less and can be constructed in a way that dampens more vibration while maintaining directional stiffness in a way that will benefit the rider.

Colour

Some bikes even go as narrow as 25.4mm, Cannondale being a case in point. A skinnier post will provide a bit more flex, and therefore a slightly more comfortable ride, while a fatter one will be more robust and add stiffness for additional power transfer.