Mongoose Fireball Dirt Jump Bike

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The Fireball is Mongoose pro rider Greg Watts’ weapon of choice whether he’s competing on the world’s most insane slope style courses or riding his backyard trails at home. With durable Tectonic T1 aluminium construction and a tapered head tube, the fireball is ready for any dirt jumps or big-wheeled street riding you can throw at it.


Frame IconFRAME Tectonic T1, aluminium, 26” dirt jump geometry, 9 mm x 135 mm dropout, replaceable hanger

Fork IconFORKRST DIRT-T, 26”, aluminium steerer, 9 mm x 100 mm, thru axle, 100 mm travel

Crank IconCRANK Samox AF15-D36S, aluminium, 36T

Chain IconCHAINK MC Z99

Bottom Bracket IconBOTTOM BRACKET Samox, cartridge, 3-piece, threaded 68 mm shell

Shifters IconSHIFTERS Shimano Altus SL-2000, 9

Cog IconREAR COG Sunrace, 9-speed, 11-36T

Rear DerailleurREAR DERAILLEUR Shimano Altus RD-M2000

Rim IconRIMS Xposure, aluminium double wall, 26 mm ID, 32H

Hubs IconFRONT HUB Xposure, aluminium, ball bearing

Hubs IconREAR HUB Xposure, aluminium, ball bearing, 9 mm x 135 mm, 32H, 6-bolt

Spokes IconSPOKES14G, steel

Tires IconTIRES Kenda Small Block, 26 in x 2.35 in, wire bead

Pedal IconPEDALS Mongoose, nylon

Brakes IconBRAKES Mongoose, mechanical, aluminium, 160 mm rotor


Handlebar IconHANDLEBAR Xposure double-butted, aluminium, 751 mm width, 31 mm rise, 31.8 mm clamp

Stem IconSTEM Xposure melt forged aluminium, threadless, 40 mm, 7°, 31.8 mm clamp

Headset IconHEADSET Threadless, ZS44/ZS44, retainer bearing

Seat Post IconSEAT POST Xposure, aluminium, 201 mm, integrated saddle, 27.2 mm

Saddle IconSADDLE Mongoose Dirt jump, integrated rails

Grips IconGRIPS Mongoose Hive, single density

SizesSIZES One size

Extras IconEXTRAS MRP G3 chain retention system