You can also choose between the stiffer, sprinter-style Super Rigid SR back-end version tested here or a smoother standard layup frame. Despite the big rectangular-section main tubes, the frame comes in at well under a kilo, creating an ultra-light chassis. Thanks partly to an external collar system that removes the need for a heavy internal steerer plug, the fork also weighs under 300g. The spider also takes compact or standard sized rings. This unique one-piece carbon crank in a 65mm diameter bottom bracket comes in at an ultra-light 320g without rings. While most framesets come with frame, fork and maybe a seatpost and specific stem, the IPACK kit also includes a dedicated ZED crank and bottom bracket. The surprising comfort levels, easy handling and seated power delivery also make it a great bike to fit aero bars to.įrame & equipment: Light frame and fork and uniquely adjustable chainset They increase stability and turning authority in high-speed sprint or descending situations too, making the LOOK extremely easy to ride fast or very far – or both. They shove across slightly in strong winds, but they never snatch, wobble or wander randomly. The new Firecrest rim profile makes the 404s really great handling wheels even in gusty wind conditions. While there’s a fractional hesitation as the wheels light up, it accelerates and climbs with an insatiable appetite that aggressive riders will love. It’s particularly impressive driving hard in the saddle at higher speeds, where the cadence smoothing comfort and aero advantage of the deep rimmed Zipps really make themselves felt. About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features Press Copyright Contact us Creators. It surges forward with super-powerful purpose as soon as you even think of sprinting, and even our most muscular sprinters were impressed by the direct drive of the crank and frame combination. There’s a bit of bounce from the broad bars and stem if you really wrench them about out of the saddle, but the frame certainly isn’t giving anything away in terms of wattage. The fat Firecrest profile Zipp wheels also help take some sharpness out of bigger hits, but it’s definitely the frame that’s doing the majority of the road-smoothing work. There’s a noticeable difference when you swap between the soft and hard options, which we’d equate with reducing or increasing tyre pressure by 5-10psi respectively. Stay in the saddle and the medium elastomer seatpost insert also does a very good job of sucking out sting from edges and potholes.
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