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Kona Explosif 650b Frame

Product Reviews - New Product Introductions


Every once in awhile a frame comes along that has it all. The Kona Explosif 27.5 650b frame falls into that category.  With a veritable cornucopia of up to date features from tip to tail, the Explosif 27.5 is bringing the iconic Explosif name back and doing it proud!

Kona Explosif Frame 2013

First thing you notice about the Explosif 27.5 is that there is a lot to notice.  The "no paint" paint job is striking.  The look of raw steel is complimented nicely by the black and orange decals and brass around the braze ons.  Speaking of braze ons, outside of the usual brake and shift fittings, there are also guides for a dropper post and ISCG tabs.


Much like the 2013 Kona Honzo 29er frame, the Explosif 27.5 is designed to be a trail bike.  With a 68 degree head tube thats designed to be used with a 120mm fork, a low bb, and short 420mm chain stays this bike is designed to be ridden fast over technical terrain and handle drops with ease yet will still climb like a billy goat.  Pair those attributes with the ones inherent in a 650b wheel and you have a very capable hardtaill on your hands.



Kona uses their own special blend of double butted chromoly tubes, with a focus on durability.  There is a good size headtube gusset to keep things together when the going gets vertical and a beefy welded chainstay yoke to add strength and durability while allowing for excellent tire clearance. Another nice touch is the 44mm headtube.  A 44mm headtube will allow you to run regular 1-1/8" and tapered steerers with the use of the appropriate headset.  Most 650b compatible forks are tapered anyway, buts it's nice to have option don't you think?



The last facet of the Explosif 27.5's genius is the sliding dropouts.  The sliding drop is one of Bikemans all time favorite innovations, as it makes going single speed a cinch. The frame comes standard with 135mm dropouts for a geared set up.  Also available are 142X12 thru-axle dropouts if you want to kick it up a notch.  Kona didn't miss anything on this one, it might just be the best all around hardtail they've ever made.  With a very reasonable price of $524.99, all you need is some 650 b wheels, tires, and a fork, and you can be on your way to tweener size wheel heaven.




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