Product Description
The 3831 Complete Frame Parts Assembly Kit is the ultimate solution for rebuilding, repairing, or upgrading your Thumpstar pit bike frame. This all-in-one hardware kit includes every essential mounting component needed to restore structural integrity and ensure proper assembly of your bike's critical systems. Specifically engineered for Thumpstar Version 5 models, this kit takes the guesswork out of frame maintenance.
Military-Grade Components Included
✔ Precision-Engineered Coil Mounting Bracket
-
Laser-cut from 3mm steel plate
-
Pre-drilled with corrosion-resistant coating
-
Maintains proper ignition coil alignment
✔ Reinforced Fuel Tank Mounting Brackets
-
2.5mm thick steel construction
-
Vibration-dampening rubber isolators included
-
Prevents fuel tank slippage under hard riding
✔ High-Strength Shroud Mounting Brackets
-
CNC-bent for perfect fitment
-
Powder-coated black finish
-
Accommodates OEM and aftermarket plastics
✔ Engine Mount Spacer Kit
-
Precision-machined aluminum spacers
-
Anodized finish prevents corrosion
-
Maintains proper engine alignment
✔ Complete Hardware Set
-
Grade 8.8 zinc-plated bolts
-
Nylon-insert lock nuts
-
Stainless steel washers
-
All necessary fasteners for complete assembly
Engineering Specifications
-
Material Composition:
-
Brackets: 1020 cold-rolled steel
-
Spacers: 6061-T6 aluminum
-
Hardware: Zinc-plated carbon steel
-
-
Finish:
-
Brackets: Electrostatic powder coat
-
Spacers: Type II anodization
-
Fasteners: Zinc electroplating
-
-
Dimensional Tolerance: ±0.2mm
Performance Benefits
-
Restores Factory Fitment: Exact OEM specifications
-
Eliminates Vibration Issues: Properly spaced mounts reduce harmonic resonance
-
Prevents Stress Fractures: Reinforced brackets distribute load evenly
-
Simplifies Reassembly: All components included in one kit
-
Extends Frame Life: High-quality materials resist fatigue
Technical Applications
-
Frame crack repair and reinforcement
-
Complete bike restoration projects
-
Engine swap conversions
-
Race bike preparation
-
Crash damage repair
Complete Fitment List
-
TSB110 (All versions)
-
TSK110 (2018+)
-
TSB125 (Version 5 only)
-
TSX125 (All variants)
-
TSX140 (Pro models)
-
TSX212 (Limited edition)
Installation Features
-
Color-Coded Packaging: Components sorted by application
-
Detailed Schematic: Step-by-step assembly guide
-
Tool Compatibility: Standard metric tools required
-
No Modification Needed: Direct bolt-on installation
Durability Testing
All components undergo:
-
Salt spray testing (500+ hours)
-
Vibration testing to ISO 19453-1 standards
-
Load testing at 150% of rated capacity
Ideal For
-
Professional mechanics
-
Race team technicians
-
DIY bike builders
-
Restoration specialists
-
Motorsports schools
