Ergonomic in the drops, comfy on the tops, and making it quick to transition between a variety of hand positions, the Big Dipper bar hits the sweet spot for gravel-oriented drop bars.
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The Big Dipper is wider than average, ergonomic in all of the hand positions of the bar, and rated for off-road use (ISO 4210 mountain bike strength/fatigue testing). It has a gentle backsweep for ergonomic riding on the tops of the bar and a short reach to minimally impact your stem length for a bar this wide. The Big Dipper is produced with triple butted and heat treated 7000 series aluminum, making it strong and light for its width. Tumbleweed've ridden countless drop bars off road on many different bikes, all informing their design. This bar has been a long time coming and we're sure you'll love it.
Material: Triple butted, heat treated 7000 series aluminum alloy, ISO 4210 tested for mountain bike use
Widths: 51cm, 54cm, 57cm C-C at the hoods
Clamp Diameter: 31.8mm
Backsweep: 5 degrees
Flare: 20 degrees
Drop: 109mm
Reach: 50mm (overall reach from center of clamping area to center of tube at front of forward sweep)
Average weight: 385 grams