LIMITED EDITION 2010 SHIMANO YUMEYA UPGRADE KIT for DURA-ACE
Shimano has introduced a completely new line up of exclusive products named YUMEYA, which is Japanese for “Dream Workshop”. In 2010, focus is at a state-of-the-art after market kit for SHIMANO Dura-Ace. YUMEYA parts are characterized by a lightweight and exclusive design to give your Dura-Ace bike a personal look and feel.
A complete kit includes
YM-SP91 Aluminium Hybrid Shift Outer Housing (Unit/600mm x 2 & 320mm x 1 set): Silicon grease injected housing to reduce cable friction by 10% aluminium hybrid structure for 10g weight reduction per/meter.
YM-BR91 Machined Brake Shoe Holders (Unit/4pc set): Limited edition, tire guide-less design with machined, double anodized silver for long lasting good looks and 8g weight reduction, guide-less design.
CN-YM91 Titanium Nitride Chain (7900 series) / CN-YM92 Titanium Nitride Chain (7800series): TiN plated inner links, 18% improved stretch durability, increased oil retention.
YM-RD91 Titanium Bracket Axle: Aircraft grade titanium with 3g weight reduction.
YM-TI91B / YM-TI91F Titanium Bolt Set: Aircraft grade titanium, molybdenum coating in high polish titanium nitride gold with 9g weight reduction. Available for "braze on" or "clamp" front derailler type.