Chain & sprocket kit, 428H
Pre-stretched 428H chain with hardened front and rear sprockets. Sold as a matched set so the wear stays even.
The full range →Drivetrain
HTD 8M belt & pulley kit
Glass-cord HTD belt for mid-drive builds. Runs dry, needs no lubricant, and sheds no metal grit onto the rim.
| Profile | HTD 8M |
|---|---|
| Width | 20 mm |
| Length | 1200-8M |
| Temp range | -30 to 120 °C |
Drivetrain
Hub motor reduction gearset
Three-stage carburised planetary set, case-hardened to HRC 58–62. The part that fails first when a hub motor is overloaded.
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