Includes:1 Titanuim Bracket Axle YM RD91. Aricraft Grade Ti. 3g weight reduction. Fits: RD 7900 7970 7800. 2 Machined Brake Shoe Holders YM BR91. Limited edition, double anodized. 8g weight reduction. 4 pieces. 3 AL Hybrid Shift Housing YM SP91. Silicone grease injected. 10% AL hybrid structure. 10g weight reduction permeter. 1set. 4 Ti Bolt Set YM TI91F. Aricraft Grade Ti. 9g weight reduction. Fits: RD 7900 Braze type FD. 5 Titanium Nitride Chain CN YM91. TiN plated inner links. 18% improved stretch durability. Increased oil retention. Fits 7900 6700
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