terbaru !!! slf motion aero derailleur ceramic bearing ospw for

BARANG SELALU READY !!! BISA LANGSUNG DI ORDER... SLF Motion Aero Derailleur Pulley Wheel Over-sized for Shimano Ultegra Di2 8100 amp; Dura Ace Di2 9200 When efficiency AND aerodynamics are critical, our AERO System is the top choice for many! Utilizing a 14-Tooth / 18-Tooth pulley wheel combination, the AERO System is unmatched by any competitor on the market when it comes to strength, durability, performance, and aerodynamics! Reducing drivetrain friction and aerodynamics does not have to come with a trade-off of decreased durability, decreased shifting performance, or even taking an aesthetic step backwards (current offerings on the market). SLF Motion Oversize Systems use cages produced 100% real carbon fiber (unlike competing brands #39; nylon plastic #34;composite #34; cages) along with unique coated bearings for added durability and performance. Improve your current stock drivetrain or even your current competing Oversize System with the installation of an SLF Motion AERO System. Model: 921 AERO Compatibility: 12sp - Ultegra Di2 8100 amp; Dura Ace Di2 9200 (Max Cassette Size: 34T) Material: Cage made by Carbon fiber, pulleys is Aluminum alloy CNC made 14-18T. Weight: *Toko TERPERCAYA karena KUALITAS dan PACKING *Berkualitas Tinggi *Bukan Produk Murahan *Double-Checking Product *Packing AMAN *Jaminan 100% uang kembali jika Produk tidak sesuai foto dan deskripsi