A review of correspondence from NOC-L
Heavy Twin and Commando rear springs come in a variety of ratings. These are colour coded for identification
The colour codes are painted on the springs in a series of three bars for the full length of the spring.
For the average weight rider, the following are recommended:-
-
90 lb. springs for the Atlas when racing
-
110lb. springs for Atlas road work
-
70/100 lb. dual rate springs for Commando racing
-
110 lb. springs for Commando road work
| HEAVY TWIN SPRINGS - 12.7" | ||||
| Rating (lbs./inch | Colours | Code | ||
| 75 | yellow : yellow : yellow | |||
| 90 | green : yellow : green | |||
| 60/90 | green : purple : green | |||
| 110 | red : red : red | |||
| 132 | red : orange : red | |||
| 145 | blue : yellow : blue | |||
| Heavy Twin shock absorber length is 12.7" with an 8" fitted spring length | ||||
| COMMANDO SPRINGS - 13.7" | ||||
| Rating (lbs./inch | Colours | Code | ||
| 100 | green : green : green | |||
| 70/100 | green : pink : green | |||
| 110 | red : blue : red | |||
| 126 | red : yellow : red | |||
| 150 | blue : red : blue | |||
| Commando shock absorber length is 13.7" with an 8.4" fitted spring length | ||||
Rob Jerome (rjerome@connect.ab.ca) on NOC-L 10th. Nov 1998
