Engineered for riders who demand speed, control, and efficiency on every trail. Designed as a true cross-country race machine, it blends lightweight construction with modern trail-ready capability to deliver a fast yet confident riding experience.
Rolling on tubeless-ready double-wall rims with Maxxis Rekon Race 29×2.25 tyres, the Spear12 XC offers excellent grip, low rolling resistance, and race-day efficiency. The Boost hub spacing further enhances wheel stiffness and overall ride performance.
With a carefully tuned XC geometry, wide 760mm handlebar, and performance focused components throughout, the Bonzai Spear12 XC delivers the perfect balance of speed, comfort, and control—now enhanced with the added versatility of a premium dropper seatpost.
Key Features
Ultra-Light 6061 Alloy Frame – Triple-butted construction
Boost Thru-Axle (148x12) for stiffness and control
120mm Air Suspension with remote lockout & rebound adjustment
Shimano Deore 1x12 drivetrain (10–51T)
Tubeless Ready wheels for better performance
Maxxis Rekon Race tyres for XC speed & grip
Hydraulic disc brakes for reliable stopping power
Technical Specifications
ComponentSpecificationFrameTriple butted AL6061, Tapered headtube, dropper post ready, Boost 148x12mm O.L.DForkSR Suntour SF27-XCM32-Air Boost RLR, 120mm travel, Remote lockout with rebound adjustmentHeadsetSealed Bearing, SMR (Smart Cable Routing)Handlebar & Stem760mm alloy handlebar, 30mm rise, 9°backsweep, Forged alloy stem (60mm)SeatPostAlloy seatpost (30.9mm, 350mm)ShiftersShimano Deore SL-M6100-R (1x12-speed)Rear DerailleurShimano Deore RD-M6100-SGS rear derailleurCassetteShimano Deore 10–51T cassetteChainwheelShimano MT510 crankset (32T)Bottom BracketShimano MT501BChainKMC X12Brake SetTektro HD-M275 hydraulic brakes, 180mm front rotor / 160mm rear rotorRimsTubeless Ready RimFront HubSolon Sealed Bearing thru axle hubs, 32h, 110x15 mmRear HubSolon Sealed Bearing thru axle hubs, 32h, 148x12 mmTyresMaxxis Rekon Race 29x2.25, Black, 60tpiSaddleVelo VL-1C22PedalsStandard Included
Ideal Rider Profile
Perfect for:
XC Enthusiasts & Racers
Riders Seeking Modern MTB Standards
Riders Upgrading from Entry-Level MTBs
Weekend Warriors to Aspiring Competitors
Technical Trail Riders
Built for riders who push limits — from weekend trails to competitive XC racing.