Video: 27.5 vs 29, Reynolds vs Reynolds on the new Polygon Siskiu D Series

. Introducing the all new Siskiu D series – an all round XC trail bike that can handle everything from your fun local trails to all day Alpine epics.  This upgraded series is built around a light weight, ALX aluminum suspension frame with more modern geometry – offering slacker head tube angle, longer reach, lower BB and shorter chain-stay to boost rider’s performance in climbing or descending, no matter the distance, technicality or gradient. The bikes’ are offered with updated kinematic system, with more optimized anti squat number for…

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