Roro AX22-28 BFS SiC Titanium Spool For – 22 Silver Creek Air – 21 Gekkabijin Air TW PE Special – 20 Alphas Air – 20 Steez Air Baitcasting Reel New!!!! „SiC Ceramic ball Titanium Alloy Centre Shaft“ New version improvements are as follows: 1. Titanium alloy central shaft brake end is embedded with a rotating ceramic 2mm ball to reduce friction and to ensure more free rotation. 2. Spool slope angles were tuned to increase line management. This increases smoothness of casting and more even line lay on spool. 3. Spool edge modified to virtually eliminate line getting trapped between frame and spool edge. 4. New design increases durability without a sacrifice to performance. Specification: Weight : 3.8g (Standard Model without bearing) / 4.6g (Standard Model with bearing) Spool body material: 7A19 aviation aluminum Centre Shaft material: TC4 Titanium alloy embedded with 2mm SiC Ceramic ball Brake ring material: 7A19 aviation aluminum Brake system: original magnetic force (fixed brake ring) Come with Stainless Steel BFS ST Bearing Size: 1034 (3mm x 11mm x 4mm) Come with Spool Case for Convenient Storage Recommended PE wire (YGK X8 reference) 0.8 —- 75 meters (80% capacity) Suitable bait weight: 1.0-5.0g !!!!!! DON’T FIT FOR DAIWA 2021 ALPHAS AIR !!!!!! RORO Studio.