SKRMOD
79BIKE & Ventus Pulley & Carbon Belt Kit
product description
SKRMOD · PRIMARY DRIVE
Real carbon fiber.
Stainless steel precision.
A complete primary drive upgrade for 79BIKE & Ventus: two stainless steel pulleys paired with a matching carbon fiber belt.
Choose your setup
Pulley Kit + Carbon Fiber Belt
Silver
Gold (LIMITED EDITION)
Two pulleys + one matching carbon fiber belt.
Carbon Fiber Belt Only
One replacement belt for the selected model. Pulleys not included.
Built around the details
01 Genuine carbon fiber reinforcement
Carbon fiber tensile reinforcement with HNBR rubber forms the core of the belt upgrade.
02 19mm belt width
Approximately 19mm wide, compared with the approximately 16mm stock reference. Confirm fitment for modified drivetrain setups.
03 Stainless steel pulleys
Corrosion-resistant stainless steel construction, paired with the carbon fiber belt as a complete kit.
04 Front + side mud-shedding ports
Openings on the pulley face and sides help debris escape from the drive area.
Compatibility
- 79BIKE Falcon Pro / Falcon GT / Falcon Lite
- Ventus One / VTB Ventus One
- Ventus V1+ / Ventus One Plus
For compatible stock motor setups. KO motors require confirmed custom fitment. Confirm compatibility before ordering if your motor, pulleys, or drivetrain have been changed.
Specifications
| Pulley material | Stainless steel |
|---|---|
| Belt construction | Carbon fiber reinforcement + HNBR rubber |
| Belt width | Approximately 19mm |
| Drive specification | Original-spec tooth counts and primary drive ratio |
| Finishes | Silver / Gold (LIMITED EDITION) |
What's in the box
Silver or Gold (LIMITED EDITION) Kit
- 1 × Small primary drive pulley
- 1 × Large primary drive pulley
- 1 × Matching carbon fiber primary belt
Carbon Fiber Belt Only
- 1 × Carbon fiber primary belt for the selected model
Removal tools are sold separately and are not included with either option.
Installation & care
Check pulley condition, alignment, belt tension, and clearance during installation. Rotate the drivetrain by hand to confirm that the belt runs freely before riding. Follow the bike manufacturer's service guidance.
Watch the installation guide →
Replacing your small pulley?
Keep it from turning while you loosen the fastener with our Pulley & Sprocket Removal Tool Set. Fits the original and SKRMOD small belt pulleys for this setup. Sold separately.
See it in use
Shipping
Ships from our China or US warehouse, subject to availability and destination. See our shipping details.
15‑Day Price Guarantee
If you find the exact same product (model, color, specs) at a lower total price (including shipping) within 15 days of your order, we’ll refund the difference.
Disclaimer
Modifications carry risks. We are not liable for damages, injuries, or safety issues related to this product.
Color Variation Disclaimer
Colors may vary slightly due to photography and screen settings.