Kona’s heritage in steel hardtails runs deep, and today’s Explosif is a direct descendant of our legendary originals. This year we’ve pulled out all the stops with SRAM Eagle 12-speed drivetrain and Guide brakes, new 120mm RockShox Revelation fork and Reverb dropper with 1x lever, and tubeless-ready Maxxis tires on WTB i29 TCS rims. The Explosif rides like only a Kona can, and we’re sure you’ll appreciate it for years to come.
REYNOLDS 520 CROMOLY Reynolds 520 tubes are mandrel-butted for accurate profiles and available in a wide range of shapes. Weight savings from butting provides competitively priced, light framesets that are noticeably compliant on the road or the trail, and are guaranteed to last a lifetime.
INTERNAL HEADSET Bearing cups are actually pressed into the frame and are easily removable. An internal headset also reduces stack height, so the height of the stem and bars are more adjustable, giving the rider the best fit possible.
TAPERED HEAD TUBE More girth at the bottom of the head tube better distributes shock force, prolonging the bearing life of the headset itself and eliminating brake shudder, while providing confident steering performance. The inherent strength of its triangular design also means a stronger steering position and improved balance, giving the rider more control in rough terrain. A zero-stack, tapered head tube also puts strength where the load is going—into the lower headset cup—maximizing bearing durability where it’s needed.
TUBELESS COMPATIBLE RIMS Tubeless rims allow for tires with more puncture resistance; the ability to run lower tire pressure, which provides better tire grip on the trail; lower rolling resistance; and weight savings over traditional tube and tire systems.
12x148mm AXLE 12x142mm, 12x148 and 12x157 rear axle standards provide two major advantages to the Kona rider: the 12mm diameter of the rear axle provides the rear hub and frame with a stiff interface, while the 142/148/157mm outer diameter of the hub allows the wheel to be quickly and properly positioned in the frame before the rear axle is inserted. For 2017, you’ll see the 12x148 Boost standard in the mix. Boost spacing provides more tire clearance at the chainstay yoke, while the rear wheel is stiffer and more durable relative to a 12x142 thru-axle.
27.5" WHEELS The benefits of the 27.5-inch wheel are simple: they roll over obstacles and track better than 26-inch wheels, but are more maneuverable and nimble than 29-inch ones.
Frame Material: Reynolds 520 Butted Cromoly
Wheel Size: 27.5
Wheels: WTB STP i29 TCS
Front Suspension: 120mm
Fork: RockShox Revelation RC Solo Air 120mm Tapered 110mm Spacing
Crankset: SRAM Descendant 6K
Drivetrain: SRAM GX Eagle 12spd
Cockpit: Kona XC/BC 35 bar and stem, Kona Key Grip
Brakes: SRAM Guide R
Front Tire: Maxxis Minion DHF EXO TR 3C 27.5x2.3"
Rear Tire: Maxxis Tomahawk EXO TR 3C 27.5x2.3"
Saddle: WTB Volt Comp (Comp 250 size S)
Reynolds 520 Butted Cromoly
S, M, L, XL
RockShox Revelation RC Solo Air 120mm Tapered 110mm Spacing
SRAM Descendant 6K
34t X-Sync Eagle
SRAM GX-Eagle 10-50t 12spd
SRAM Guide R
FRONT BRAKE ROTOR
SRAM Centerline 180mm
REAR BRAKE ROTOR
SRAM Centerline 160mm
SRAM Guide R
Kona XC/BC 35
Kona XC/BC 35
RockShox Reverb w/Plunger Lever 31.6mm
Kona Key Grip
WTB Volt Comp (Comp 250 size S)
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