Nx Slalom & Race The best performer aluminum boom. 
Exclusive ergonomic tube profile for optimal comfort and stiffness  
Monoblock aluminum 5086 anodised structure: stiff, durable, corrosion resistant
Exclusive Ultra-stiff front end : free rotation, maximum clamping power
28mm ergonomic tubes
For 180 and 200: Diamond monobloc slalom back end with 3 pulley block
For 160: large Monobloc slalom back end with 3 pulley block
Exclusive “push lock” quick adjustment
Ultra comfort grip     
Removable RDM/SDM adaptor
Dedicated tube bending:
180-230  & 200-250: Progressive shape  for medium to large-size race sails
160-210  Progressive shape  for Freeride or high wind slalom sails       
Compatible wish 30-32mm clamcleat out haul set  (best)  or 32-35mm  
Lightest stiffness to weight ratio aluminum slalom boom on the
160-201 : 2.70kg
180-230 : 2.95kg
200-250: 3.10kg