The Optimist deck collar is made of Delrin to create minimal friction between the sleeve and the collar. The oval inner diameter allows the maximum fore/aft and minimum side play and the tapered...
Racing deck collar with an oval and tapered inner diameter. The oval inner diameter allows the maximum fore/aft play and minimum side play. The tapered inner diameter allows the mast to be raked. 4...
The OptiParts 'Silver' spars are intermediate level spars, a step up from 'Club' spars but not as advanced (or expensive!) as our premium racing spars. This mast is less stiff than other racing masts...