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the need to turn the handlebar up. The SL 80 version shown here has a modified ergo drop. (Joe Lindsey)
Fit trends change over time, and while the basic drop handlebar shape hasn changed since its inception, the bar ergonomics see continual tweaks to adapt to current needs. Just look for a picture of Sean Kelly in his racing days to see what the modish handlebar shape looked like 30 years ago.
features four bars: the SL 70, SL 70 Ergo, SL 80, and SL 88. The number refers to the millimeters of reach, but there more to it than that. Many handlebars feature about 13 to 16 degrees of ramp, or downward slope, at the transition from the bar tops to where the brake hoods attach. The new Service Course SL line reduces that to 10 degrees, for a flatter transition, limiting the need to rotate the bar upward.
will retail for $110 each and will be available in October.
The less radical ramp angle to the hoods produces a flatter transition that limits Nike Windrunner Wolf Grey
Bar makers have addressed this problem to varying degrees, but Zipp redesigned Service Course SL line takes possibly the most holistic approach, with various reach options as well as different bends and a modified geometry to better reflect modern fit trends.
2014 Zipp Road Bike Handlebars
The new line Nike Windrunner Green Blue
The most significant change in the last 5 to 10 years is the tendency to rotate the bar upward, creating a flat to slightly upward ramp at the transition from the tops to the brake hoods.
Problem: That upward rotation can, on many bar shapes, turn the drop portion into a steep, almost unusable slope, rather than a flat section that offers maximum control while descending or sprinting.
The drop shapes are also different. The SL 70 features a compact drop (128mm) that curves back slightly toward the ramp; the SL 70 Ergo uses the same geometry but with a flattened top section. The SL 80 uses a modified ergonomic bend that measures out at 125mm), and the SL 88, the old school roadies bar, is a classic bend with Nike Jacket Online a roomy 130mm of drop. All four bars Nike Jacket Swoosh
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