5/27/2023 0 Comments Dirt jump bikeLeveraging that Manitou Circus Expert 100mm fork is a 780mm Raceface Chester riser bar, clamped by a 40mm stem. Raceface provides the Stitched cockpit and crankset. Attached to the aluminum frameset is an assortment of classy dirt jump components, the caliber of which leaves little desire for any aftermarket upgrades. The German direct sales giant offers incredible value with its Stitched 360. Handlebars might be a touch too wide, for shorter riders The superior grip allows this dirt jump bike to launch off rowdier terrain and tear up local singletrack, although switching tires will greatly increase rolling speed for flowing through manicured jump lines and/or riding at the skatepark. The tire specification is also interesting, with Giant choosing the Maxxis Ardent. The supplied crankset is very short at 155mm so while the STP would never be a long-distance pedaler there shouldn't be any worry of pedal strikes. Giant also offers two frame sizes to give riders a better fit based on their preference with Giant listing a reach difference of 27mm between its regular and large size STP 26 SS bikes. To compensate for how much slacker that might make the frame’s geometry, potentially influencing its ability to pump into transitions facilitating a launch, Giant’s engineers have settled upon a 67-degree head angle. Whereas most dirt jump bikes cushion your landing with a 100mm fork, the STP 26 SS ups that to 120mm. It features geometry and a fork specification that are is much closer to that of the best hardtail mountain bikes. Giant’s STP 26 SS is unusual amongst the selection of jump bikes, on our list. Geometry isn't suited well to traditional dirt jumps or skatepark To ensure this GT rolls into a series of jumps with the best possible momentum, its 26-inch wheels are shod with Kenda 3-Sixty low-resistance tires, featuring a generous 2.35in casing volume, to cushion those big landings. These are more robust and should offer greater durability than alloy cranks, especially if you are going to huck big drops and flat landings.Ĭontrolling the La Bomba’s steering leverage is a relatively wide Spank Spoon 785mm handlebar (although this can be cut down), with 60mm of rise, while its head angle sits at 68.5-degrees. If this bike does get away from you and career into some terrain, it should still be fine.Īlthough the La Bomba’s frame is aluminum, GT has wisely selected to build it with a set of chromoly 170mm cranks. For its dirt jump customers, GT produces the La Bomba Pro 26-inch.Ĭonstructed from 6061-grade aluminum, the La Bomba Pro frame has a tube profile and wall thickness selected for strength. The American brand is famed for its excellent heritage in BMX fabrication and design. If a jump bike is fundamentally a dirt riding BMX, the logic must follow that GT builds a great one. It has a 69-degree head angle, 420mm of reach and a stack height of 570mm.īroad handlebars might need a trim, for smaller riders The DMR Sect rolls a set of Alex DM24 specification 26-inch wheels, with Kenda’s legendary Small Block 8 tire in the 2.1in volume.įusing DMR’s great component selection into a fantastically stable and forgiving dirt jumper is the Sect’s geometry. To keep all your launches stable there is a 740mm handlebar clamped by a 40mm stem, whilst DMR V6 flat pedals allow secure shoe contact and control in the air.įast-rolling wheels and tires are important on any jump bike, as you’ll only have one gear, making momentum management crucial. The Sect is DMR’s complete dirt jumping solution and features a tough 4130 chromoly frame.Ībsorbing the landings is an RST Dirt 100mm fork with rebound adjustment, which is crucial on any jump bike. It produces an entire range of components for this discipline of riding, from the best MTB grips to the best MTB flat pedals, and of course, frames. These bikes will be available through our dealers and distributors starting from December '17 (depending on the location).Very little - obviously an alloy bike is lighterĭMR can rightly claim to be one of the defining dirt jump companies. Just look at them.look!įor more details hit the product info of Movement 1, Movement 2 and Movement 3. For 2018 the highest model of the Movement have been updated with an MTB crankset from Race Face. The Movements are super stiff, have tight geometry and strong components.Īpart from he sweet frame, the Movement has all the features you would expect in a modern pro-level dirt bike made by a company with dirt-jumping heritage. In fact alloy frames have been the choice of our pro riders recently.The stiff and responsive frame is a great choice for advanced riders who spend most of their time riding (or digging) dirt. The heart of these bikes is a lightweight frame featuring oversized tubes. The Movements are our alloy dirt jumpers line. This is our heritage, this is what we grew up with, this is what put our company on the map. The ones that go back deep into our roots.
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