Auto start With Internal Pre-Tensioner, Just Roll Back The Rotor In The Direction Of The Arrow On The Rotor Or Against The Internal Resistance, When Sufficient Tension Is Achieved, Just Release And Enjoy!
Patented Design; Compatible with Nsd Digital speedometer Sm-01 and Sm-02
Computer Balanced inner rotor for VIBRATION FREE operation at up to 15,000 RPM
Impact resistant structure with Military-grade plastic shell that comes in an attractive BLACK
Reversible inner tracks make 2X Lifespan. Provides up to 24.9 lb-in of torque at 10,000 RPM

Technical Details

Width : 3 inch
Height : 4.5 inch
Length : 5 inch

Product Details

Product Dimensions
Width : 3 inch
Height : 4.5 inch
Length : 5 inch

Package Dimensions
Width : 4.6 inch
Height : 2.9 inch
Length : 5.2 inch

Item Weight: 8.96 ounce (View shipping rates and policies)
Shipping Weight: 12.8 ounce (View shipping rates and policies)

ASIN : B007MEWU14