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If you liked the 2020 Polygon D7, then youll LOVE the 2021 Polygon D7! Upgrades include a full Shimano Deore Drivetrain and a Rockshox rear air shock. The new 2021 Polygon Siskiu D7 has become one of the most popular and highest selling dual-suspension bikes for Polygon. Capitalizing on extensive R & D, state of the art testing facilities, and feedback from top-level riders, the Polygon Sikiu D7 defies what an outstanding value dual-suspension mountain bike is capable of. This years host of upgrades tick all the boxes for those looking for a bike with modern geometry , great XC pedaling efficiency, and all-mountain capability . The D7 is built around a lightweight, ALX aluminum boost frame that boasts a modern riders modern geometry. The bike now has a slacker head tube angle, more extended reach, lower BB, and shorter chain-stay to boost your performance in climbing or to d
