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The 675 Light goes below the 990g barrier
A significant weight loss is made possible in part by the use of a higher modulus carbon fibre and 1.5k fibre as a topcoat, and secondly by changing the headtube and the bottom bracket, which are now 100% carbon. Similarly, the fork is lighter because of the carbon dropouts. In the end, there is a weight loss of almost 250 grams on the bike. However, the performances in terms of rigidity, yield and vibration absorption capacity are identical to the previous version.
The 675 Light is one of the latest born LOOK road frame. It benefits from a completely new manufacturing process: the 3 most highly loaded frame zones are first draped on mandrels before being placed inside the mould with the rest of the frame for moulding. This technology permits a large gain in stiffness and a stronger frame.
Integrated A-Stem and Direct Drive Concept
For the first time on a road bike, LOOK has completely integrated the stem into the frame design. As well as the aesthetic impact this integration allows us to apply our Direct Drive concept meaning optimising all the cockpit parameters. We achieve this by using a short head tube tapering from 1 ½ " at the bottom to 1 1/8" at the top and removing the spacers.
With this shorter pivot, oversized bearings and a stiffer stem, the whole cockpit is stiffer and more accurate. The A-Stem permits very accurate height and length adjustments without having to add spacers.