Product Description
The 3009 14" Rear Wheel Assembly is engineered for serious pit bike enthusiasts who demand maximum performance and durability from their large-frame machines. This complete wheel assembly features a heavy-duty 1.85x14" black powder-coated steel rim laced with high-tensile stainless steel spokes to a 20mm axle hub, creating the perfect balance of strength, reliability, and style for aggressive riding.
Military-Spec Construction Details
Premium Rim Construction
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1.85x14" Heavy-Gauge Steel Rim
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12-gauge cold-rolled steel construction
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Widened profile for optimal tire stability (fits 80/100-14 to 90/100-14 tires)
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Electrostatic powder-coated black finish (50μm thickness)
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CNC-rolled bead seat for perfect tire sealing
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Aerospace-Grade Spoke System
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304 Stainless Steel Spokes
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8-gauge thickness (3.9mm diameter)
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Mirror-polished corrosion-resistant finish
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4-cross lacing pattern for maximum strength
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Pre-stressed and tensioned to 120kgf
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Brass spoke nipples with anti-seize coating
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High-Performance Hub Assembly
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20mm Hardened Axle System
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4140 chromoly steel axle (HRC 32-36 hardness)
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Dual sealed industrial bearings (6204-2RS)
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CNC-machined 6061-T6 aluminum hub
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Type III hard anodized surface treatment
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Universal sprocket mounting pattern
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Technical Specifications
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Wheel Diameter: 14 inches (356mm)
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Rim Width: 1.85 inches (47mm)
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Overall Width: 5.5 inches (140mm)
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Hub Width: 135mm (center-to-center)
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Axle Diameter: 20mm (included)
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Spoke Count: 36 (18 inner/18 outer)
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Weight: 6.8 kg (complete assembly)
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Max Load Rating: 150kg (330lbs)
Performance Advantages
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Enhanced Stability: Larger 14" diameter improves high-speed handling
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Superior Impact Resistance: Heavy-duty construction withstands big jumps
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Optimal Tire Fitment: Wider 1.85" rim properly supports larger tires
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Precision Balancing: Factory-balanced to <5g at 60km/h
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Reduced Maintenance: Stainless spokes and sealed bearings for longevity
Precision Fitment
Engineered as a direct bolt-on replacement for:
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Thumpstar TSX125 (all model years)
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Thumpstar TSX140 (Pro and Race editions)
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Thumpstar TSK141E (Electric models)
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Compatible with most large-frame pit bikes using 14" rear wheels
Track-Ready Features
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Pre-Greased Bearings: Packed with high-temp lithium grease
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Pre-Installed Valve Stem: 8mm rubber stem with brass core
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Dynamic Balancing: Computer-matched spoke tension
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Universal Sprocket Compatibility: Works with 36T to 52T rear sprockets
Complete Package Contents
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1 x Fully assembled rear wheel
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Pre-installed 20mm axle with spacers
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Stainless steel spokes and nipples
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Mounting hardware kit
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Technical installation guide
