Product Test: Cane Creek eeSilk Seatpost

Comfort that’s subtle but significant

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Product Test: Cane Creek eeSilk Seatpost

A suspension seatpost. Really? Why would such a novelty need to exist, you ask? The answer is simple and two-fold. Of course, there’s the obvious connection between wanting to soften up the ride when it comes to the added bump forces found with gravel riding. And, for those who eschew any potential dirt orientation while in the drops, there is also the simple recognition that added comfort can actually bring with it longer rides. Just as so many hardcore roadies discovered during the transitory days of smaller-diameter seatposts and tuned carbon tubes, performance and comfort are not mutually exclusive.

As much as suspension seatposts are thought to be the byproduct of the early to mid-’90s as mountain bike riders sought some relief for their hardtail mountain bikes, they have in fact been around for decades in one primitive form or another.

THE TECH 

The eeSilk (designed by Craig Edwards, who also invented the lightweight ee rim brakes) adds to Cane Creek’s earlier family of Thudbuster seatposts, whose origins are tied to mountain bikers in the ’90s. All of the posts rely on elastomer springs that follow a numerical system from soft to firm that corresponds to the rider’s weight for optimized performance (there is a max rider weight limit of 350 pounds). The eeSilk is shipped with three different durometer springs that can be easily swapped with a single bolt. 

Cane Creek collaborations with Craig Edwards always excite the RBA crew.

The long-travel Thudbuster post provides 76mm of travel and is to svelte road bike seatpost styling what the Lauf suspension fork is to traditional fork styling. The less unsightly short-travel post offers 33mm of travel. And then there’s the eeSilk with its 20mm of travel and $100 added cost, but, most important for the collective roadie concern, it hides its suspension feature quite well. 

The aluminum post is only available in a 27.2mm-diameter size, but 15 different sets of shims are available for fitment up to 31.8mm. The post is 350mm long (with a 70mm head height) and uses hard-anodized aluminum axles with IGUS bushings and titanium hardware. All the machine work is first-rate. 

THE RIDE

Unlike some suspension seatposts designed with a telescopic (vertical) travel path that alters leg extension, the eeSilk follows a parallelogram (rearward) path, which makes bump-force absorption much less noticeable. However, the performance is noticeable, and that’s a good thing if the sharp edges of broken pavement and dirt-road braking bumps are what you’re looking to minimize. 

There is a skosh of lateral play in the head that bothered some riders, but it’s really not noticeable when riding. 

THE VERDICT

Yes, the eeSilk post adds some weight to the bike, but in this day and age where the recognition of enjoying longer riders over rougher terrain has become acceptable, the Cane Creek post hits a bullseye. Simple in appearance and function, the eeSilk post is capable of bringing some suspension comfort and performance for a reasonable price.

PUNCH LINES

• Does the job intended

• Lateral play

• Range of adjustability

STATS

Price: $290

Weight: 268 grams

www.canecreek.com

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