4G model 1A Transmission only:
4G > 1A Our most popular transmission.
Only (2) 1A Transmissions in stock as a separate order item.
When these 2 trannys are gone you must order a 4G 1A transmission kit that also includes all the installation parts to install on a bicycle. Yes; higher priced.
4G Model 1A T Belt Drive Transmission only;
Latest Peak-a-Boo cover design:
Engine and bicycle are not included:
- More compact for better appearance with an improved belt cover design:
- Best choice for single speed applications;
- Transmission Pulley Ratio: 20T x 80T = 1 to 4 ratio
- 9T and 10T slide drive sprockets included for customer choice..
- Final drive ratio depends on what drive sprocket and wheel sprocket is used.
- Final drive ratio ie: 20/80T = 4 9T/48T = 5.3 final R = 4 x 5.3 = 21.2
- Final drive ratio ie: 20/80T = 4 10T/48T = 4.8 final R = 4 x 4.8 = 19.2
- Final drive ratio ie: 20/80T = 4 9T/56T = 6.2 final R = 4 x 6.2 = 24.8
- The lower the ratio (19.2) the faster you can go
- The higher the ratio (24.8) the more torque for heavy set riders or for steep hills.
- Cam lock tension system for belt adjustment means no belt idler is needed.
- Peek-a-boo nylon/fiber glass belt cover guard.
- CC latch bell with dual ball bearings, No bushings:
- 80T Driven pulley also has dual ball bearings and freewheel.
- Built to last!