Match the hardware and assembly before using a torque value. This reference collects the documented 72V fasteners and tools; axle values in the source notes differ, so verify the actual axle and locking arrangement before tightening.
Rear Axle Values Need Hardware Confirmation#
The ONYX Service Manual, page 6, distinguishes the rear axle nut (80 Nm) from the rear axle lock nut (30 Nm). The earlier table incorrectly gave both as 30 Nm. Those values describe different fasteners in the documented assembly. Confirm that your axle and retention hardware match before applying them. See the
manufacturer service manual
and the
tire-fitment reference
.
Hardware & Torque Specifications (72V)#
Proper torque application is critical for structural integrity and component longevity. Threadlocker is recommended where applicable.
Brakes (72V)#
| Part | Hardware | Tool | Torque |
|---|
| Front Caliper Mounting Plate Top | M8 x 35mm | 13mm Socket | 30Nm |
| Front Caliper Mounting Plate Bottom | M8 x 40mm | 13mm Socket | 30Nm |
| Front Caliper Mounting Plate | M8 x 35mm | 13mm Socket | 30Nm |
| Rear Brake Caliper Mount Screws | M6 | 5mm Hex | 12Nm |
| Rear Brake Caliper Adjuster Screws | M6 | 5mm Hex | 12Nm |
| Rear Brake Caliper Cable Stay Screw | M6 | 5mm Hex | 12Nm |
Wheels (72V)#
| Part | Hardware | Tool | Torque |
|---|
| Front Axle Nuts | M12 Hex Nut | 19mm Socket | 45Nm |
| Rear Axle Nut | M16 Hex Nut | 24mm Socket | 80Nm |
| Rear Axle Lock Nut | M16 Hex Lock Nut | 24mm Socket | 30Nm |
| Rear Axle Stay Screw | M6-1 x 16mm + M6 Hex Nut | 10mm + 5mm Hex | 12Nm |
Rear axle torque values vary by axle hardware, dropout arrangement, and locking method. For high-power builds, verify final torque against the specific axle and hardware configuration in use.
Suspension (72V)#
| Part | Hardware | Tool | Torque |
|---|
| Triple Tree Fork Clamp | M8 x 45mm | 6mm Hex | 30Nm |
| Rear Swingarm Mounting Hardware | M8 x 25mm + M8 Nyloc Hex Nut | 13mm Socket + 6mm Hex | 30Nm |
| Upper Shock Nut | M8 Acorn Hex Nut | 13mm Socket | 30Nm |
| Lower Shock Nut | M8 + M8 Hex Nut | 13mm Socket | 30Nm |
Suspension Specifications (72V)#
| Component | Specification |
|---|
| Rear Suspension Standard | 350mm |
| Rear Suspension Shorty | 300mm |
| Rear Suspension Bushing | 15mm L × 14mm OD × 9mm ID |
Pedals (72V)#
| Part | Hardware | Tool | Torque |
|---|
| Pedal Shaft Cotter Pin Nut | M8 x 45mm | 6mm Hex | 30Nm |
| Pedal Shaft | M8 x 25mm + M8 Nyloc Hex Nut | 13mm Socket + 6mm Hex | 30Nm |
Steering and Handlebars (72V)#
| Part | Hardware | Tool | Torque |
|---|
| Steering Stem Lock Nut | M20 Hex Nut | 30mm Socket | 22Nm |
| Steering Stem Top Nut | M20 Hex Cap Nut | 30mm Socket | 40Nm |
| Handlebar Clamp Screws | M6 x 45mm + M6 Nyloc Nut | 10mm Socket + 5mm Hex | 12Nm |
| Speedometer Display Mount | M4 Hex Nut | 7mm Socket | Handtight |
| Speedometer Display Bracket Clamp | M6 x 12mm + M6 Hex Nut | 10mm Socket + 5mm Hex | 12Nm |
| Left Control Internal Handlebar Screws | M5 x 10mm | #2 Philips Screwdriver | 7Nm |
| Left Control External Casing Screws | M5 x 22mm | #2 Philips Screwdriver | 7Nm |
| Right Control, Front Brake Banjo Nut | M8 Hex Nut | 13mm Socket | 12Nm |
| Right Control, Front Brake Mount Clamp Screw | M5 Hex Nut | 8mm Socket | Handtight |
| Right Control, Throttle/Kill Switch Clamp Screw | M4 x 20mm | 3mm Hex | Handtight |
| Headlight Ears Clamp Bolt | M6-1 x 25mm | 10mm Socket | Handtight |
| Headlight Side Mount Bolts | M6-1 x 15mm | 10mm Socket | Handtight |
Drivetrain & Components (72V)#
| Component | Specification |
|---|
| Pedal Crank | 28T |
| Pedal Crank Bushing | 18.4mm L × 20.5mm OD × 16.4mm ID |
| Freewheel | 16T |
| Chain | 112 Links |
| Kickstand | 11" |
| Rim Size | 17" × 1.6" |
Body Panel & Accessories (72V)#
| Part | Hardware | Tool | Torque |
|---|
| Body Panels | M5-0.8 x 6mm | 4mm Hex Key | Handtight |
| Seat Mounts | M6 Hex Nut | 10mm Socket | Handtight |
| Front Fender Mounts | M6 x 25mm | 10mm Socket | 12Nm |
| Rear Fender Mounts | M6 x 16mm + M6 Hex Nut | 10mm Socket | 12Nm |
| Rear Rack Shock Mounts | M8 Acorn Hex Nut | 13mm Socket | 30Nm |
