I think there are a lot of people without a good pedal stroke who ride all kinds of bikes. IMO the biggest reason the DW link does so well is because it stiffens at the top of the stroke and allows people like me without perfect pedaling technique to get uphill without wasting energy.
The CCDB or DBair takes care of the pedal bob on single pivots and prolly the FSR suspensions, so there's something for those of us who have crappy pedal strokes.
Mtbr's 2016 Winter Biking GearReviews and Roundups
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