The Mafia BOMMA Thrust is built for riders who want a bike that’s ready to roll the moment it hits the pavement. Designed for smooth combos, traffic weaving, and endless wheelies with friends, this street machine blends proven BMX geometry with a lighter, stiffer frame that delivers control and confidence. And when you buy from Circuit, you’re not just getting a bike — you’re getting one that’s been expertly assembled and tuned by riders who know BMX inside and out, so it’s dialed from day one. Specs That Matter Microshift 10-speed drivetrain for crisp gear changes Shimano Hydro MT200 brakes for reliable stopping power Hydro-formed 6061 alloy frame with CNC-machined details Hollow tech sealed bottom bracket for durability Peg mounts included for freestyle versatility SnakeskinS sticky tires for grip in all conditions 29” alloy double-wall rims built tough for urban riding Available in fresh new colorways, the BOMMA Thrust is more than a bike — it’s a statement. Whether you’re riding with friends, joining group sessions, or showing off your wheelie game, this bike is designed to perform and stand out. SPECIFICATION More Information GEOMETRY (A) TOP TUBE LENGTH 606mm (B) HEAD TUBE LENGTH 105mm (C) STANDOVER 776mm (D) REACH 443mm (E) STACK HEIGHT 571.5mm (F) BOTTOM BRACKET 12.3 GEOMETRY DIAGRAM Geometry SPECS FRAME Thrust 29 FORKS Bomma Flanged 29 HANDLEBARS Bomma 2 piece W762mm x H168mm GRIPS Lucky 6 Grips HEADSET 1 1/8” Integrated - Sealed bearings STEM Mafiabikes forged Topload - 50mm Reach PEDALS 9/16” Mafiabikes plastic PP SADDLE Mafiabikes Wheelie seat - Railed SEATPOST Ø31.6mm micro adjust alloy SEAT CLAMP Ø35mm External QR CRANKS 170mm forged direct mount alloy cranks - 24mm hollow spindle CHAINRING/SPROCKET FRONT 32t Direct Mount Steel thick-thin SPROCKET/CASSETTE REAR 11-36t 10spd Cassette TYRE FRONT Lagos Snakeskin "S" Super Soft Compound 29" x 2.5" TYRE REAR Lagos Snakeskin "S" Super Soft Compound 29" x 2.5" FRONT HUB Alloy shell, 3/8" axle, sealed bearings REAR HUB Alloy shell, 3/8" Axle, 10 Speed Freehub, Disc RIM FRONT 29" 35mm Wide double wall alloy 36h RIM REAR 29" 35mm Wide double wall alloy 36h BRAKE FRONT Side pull cable brake (supplied in roadkit) BRAKE REAR Shimano MT200 - hydraulic disc brake 160mm rotor TECH BB TYPE 73mm ISO External (24mm) HEADSET TYPE 1 1/8” integrated REAR AXLE/HUB SPACING 3/8" x 135mm axle MAX TYRE WIDTH REAR 66mm / 2.6" SEATPOST/SEATCLAMP Ø31.6mm post, 35mm seatclamp FRONT AXLE/HUB SPACING 3/8" x 100mm axle MAX TYRE WIDTH FRONT 66mm / 2.6" FRAME CONSTRUCTION AND DETAILS 6061 T6 Aluminum, IS rear brake tab, heavy duty hydroformed downtube and chainstays, peg mount integrated dropouts ROAD KIT Included
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