TrialBikes Screw-On Sprocket

TrialBikes Screw-On Sprocket

- New steel Screw-On Sprocket with 12 or 18 tooth.
- This is a light and resistant screw-on sprocket made of high quality steel, so we can forget about practically any problem or failure of the thread or teeth thanks to its high resistance.
- This is a light and resistant fixed Screw Sprocket made of high quality steel, so we can forget about practically any issue or failure of the thread or teeth thanks to its high resistance.
- Standard 35 mm thread 1.37” x 24 tpi, compatible with most rear hubs and threaded cranks.
- The teeth are located at the outer end of the base, which allows for better chain alignment.
- 7 mm wide base, which allows for numerous threads in contact with the hub or crank.
- Available in 12 tooth (12 T) version, commonly used on 20” adult bikes and 18 tooth (18 T).

Compatible with:
- Standard 1.37“ x24 TPI threaded cranks and hubs (the vast majority).
- 1/8” width chains ( 12t version), only. 
- 1/8” and 3/32” width chains (18t version).

Sizes
- No. of teeth 12 (12T) or 18 (18T).
- Tooth width: 2 mm ( 18T version) and 3 mm (12T version).
- Base width: 7 mm.
- Thread: Ø 35 mm, 1.37” x 24 TPI.
- Tooth position: Aligned to the end.

Finishes
- Black for the 12-tooth (12T) version and silver for the 18-tooth (18T) version..

Weight
- 20.68 g (12 T) and 65.52 g (18 T).