this is copied and pasted straight from my notes with help from ai starting now:
The Core Frame
- Product Description: Carbon Steel Enduro Stealth Bomber Frame (Fat Bike Version).
- Mandatory Configuration: Select 26 x 4.0 Fat Tire Compatible option.
- Mechanical Purpose: Serves as the full-size heavy-duty chassis (Surron Ultra Bee size footprint). You are choosing the fat version because standard-width frames are entirely out of stock, but your 3-inch tires will fit inside it perfectly with a cool, high-clearance look.
- Link: in Amazon cart
2. The Mid-Drive Motor Kit
- Product Description: Bafang BBSHD 48V/52V 1000W Mid-Drive Kit (UART Protocol).
- Mandatory Configuration Dropdowns:
- Bottom Bracket Size: Select 120mm (Fat Bike). (Do not get 68-73mm, it will be too short to pass through the wide walls of the fat frame).
- Throttle Type: Select Universal Twist Throttle (for a motorcycle grip layout).
- Crank Arms: Select NONE / Motor Stock Only (skip the expensive Buzz Bars to save cash and use the free stock black ones inside the box).
- Mechanical Purpose: Provides 160 N.m of base torque that drives through your rear bicycle gears [L1], giving you effortless wheelie power and a 35–38 MPH stock top speed.
- Link: below
3. The Aftermarket Stunt Display
- Product Description: EggRider V2 Bafang Bluetooth Display (UART Protocol).
- Mechanical Purpose: Replaces the backordered stock screens. It is tiny (thumb-sized), making it completely safe from smashing when landing stunts. It connects directly to a smartphone app via Bluetooth so you can adjust speed settings and reprogram throttle response maps on the fly.
- Link: below
4. The Apex Performance Drivetrain Upgrade
- Product Description: Lekkie Bling Ring PRO 42T Performance Chainring for BBSHD.
- Mandatory Configuration Dropdowns:
- Spacer Option: Select YES / Included (2mm Drive Spacer).
- Mechanical Purpose: Features an ultra-deep 22.25mm metal offset that pulls your front chainline tightly inward. This is mandatory to keep your chain from popping off when shifting into lower, high-torque gears for pulling wheelies. The 2mm spacer prevents the ring from rubbing the thick carbon steel frame.
- Link to all 3 previous: https://goldenmotor.bike/cart
5. The High-Capacity Long Range Power System
- Product Description: Leadyo 52V 30Ah Triangle Lithium Battery Pack.
- Mechanical Purpose: Yields an incredible 5 to 6+ hours of flat-ground riding time to match your friends' long group rides. It is pre-built with a heavy-duty 80A Smart BMS, making it completely future-proofed to support an external 3,000W+ controller upgrade when you turn 16.
- Link: https://ugne.us/products/leadyo-lithium-e-bike-battery-52v-30ah-72v-20ah#product-reviews
🛠️ SECTION 2: TRANSITION PARTS & STUNT CONTROLS (AMAZON)
6. The Wheel Hub Axle Adapters
- Product Description: 12mm Thru-Axle Rear Hub Spacer Kit (150mm to 175mm).
- Mechanical Purpose: Crucial Fix Part. Your Specialized Demo 8 rear wheel hub is 150mm wide, but your fat frame swingarm is 175mm wide. Sliding these simple metal spacers onto the wheel axle hub widens it perfectly so it bolts rigidly into the fat frame without any play.
- Link: in Amazon cart
7. The Power Plug Bridge
- Product Description: Male XT90 to Female XT60 Heavy-Duty Adapter Cable.
- Mechanical Purpose: Safely bridges the Bafang motor wiring harness power line directly to the Leadyo battery connector with a simple plug-and-play click, keeping your build free of scary wire-cutting or soldering.
- Link: in Amazon cart
8. The Heavy-Duty E-Bike Chain
- Product Description: KMC e9 Sport Heavy Duty E-Bike Chain (8/9-Speed verified).
- Mechanical Purpose: Engineered with thicker, reinforced steel link pins designed to withstand sudden 1000W+ mid-drive motor torque snaps without breaking.
- Link: in Amazon cart
9. The Beefy "Supermoto" Tires
- Product Description: Duro HF307 26 x 3.0" Trials / Dual-Sport Performance Tires (Buy 2).
- Mechanical Purpose: Thick, square-profile motorcycle-style tread that wraps perfectly onto your Specialized Demo 8 rims. It fills out the visual frame gaps beautifully so the bike looks like a rugged supermoto bike rather than a skinny bicycle, while providing a massive, flat rubber contact patch for stable side-to-side wheelie balance.
- Link: in Amazon cart
10. The Thick Stunt Inner Tubes
- Product Description: Sunlite Thorn-Resistant Heavy-Duty 26" x 3.0" Inner Tubes (Buy 2).
- Mechanical Purpose: Extra-thick rubber walls to fit the 3-inch tire volume, providing pinch-flat protection when slamming the frontend down hard from high balance point wheelies.
- Link: in Amazon cart
SECTION 3: MARKETPLACE DONOR CHECKLIST
11. Sourced Donor Asset: Specialized Demo 8 (Target Used Cost: $800)
- Parts to Strip and Transfer to the Bomber Frame:
- Front Suspension Forks: Dual-crown forks (RockShox BoXXer or Fox 40) for a tall dirt-bike stature.
- Wheel Rims: Heavy-duty 26-inch downhill wheelsets (unmount the dirt tires and slap on your 3.0" Duros).
- Brakes: Front and rear 4-piston hydraulic calipers, levers, and metal disc rotors.
- Gears: Rear gear derailleur arm, handlebar shifter clicker, and rear gear cassette
All in Amazon cart
Bafang Mid-Drive Installation Wrench • Mechanical Purpose: Crucial locknut tool. It features specialized teeth required to tightly torque down the inner and outer M33 steel locknuts that hold the Bafang motor cartridge flush inside your carbon steel frame. Without it, the motor will wiggle and destroy your frame threads under wheelie torque. • Link:
Square Taper Crank Puller Tool • Mechanical Purpose: Used to cleanly pop the pedal crank arms off the Specialized Demo 8 spindle and to remove your Bafang arms if you ever need to service the motor. Trying to hammer them off will bend your drivetrain components. • Link:
Splined Shimano/ISIS Bottom Bracket Tool • Mechanical Purpose: Slides into the splined center teeth of the Specialized Demo 8 bottom bracket bearings so you can unbolt and completely remove them from the donor frame, clearing the empty hole required for the Bafang axle to slide through. • Link:
Bicycle Chain Breaker & Rivet Tool • Mechanical Purpose: Your new heavy-duty KMC e9 chain will ship extra long. This tool pushes the tiny steel pins out of the links so you can precisely downsize the chain length to fit your specific rear gear setup, and then press-locks the master link together. • Link:
Hydraulic Brake Bleed Kit (Mineral Oil / DOT Fluid) • Mechanical Purpose: Mandatory for lengthening the rear brake line. When you disconnect the old brake hose from the Demo 8 lever to swap in your longer frame line, air will enter the system. This syringe and fluid kit forces the air bubbles out so your 4-piston brakes actually have firm stopping power. • Link