Severne HD Extension STD Diameter

SEVERNE offers 3 SDM HD extensions to compliment the racing range, 16cm, 24cm and 36cm.

Automatic stainless steel hinged collar system
Precision milled stainless steel button and mechanism for improved reliability
Powerful coil spring catch and release
Aligned triple pulleys and cleat for easier downhauling
Tack strap retainer to hold the tack strap in place
Anti abrasion high quality Dyneema Formuline
The 16cm HD Race Extension is to shave those important grams from your racing set up and to promote compatibility with the Base Extension 40
24cm for mid range adjustability
36cm for extra length when required