Note: This model is LT-6800, suitable for Shimano 6800 6870 9000 9070 7900 6700. The system consists of Top 16t & Bottom 17t aluminum alloy pulley wheels fitted with low friction ceramic bearings and a lightweight cage. Due to the extremely low friction of all ceramic non-resistance bearings, the system greatly optimizes the overall efficiency of the drive system. Carbon fiber cage and 7075 aluminum alloy pulley wheels provide higher stability and strength while reducing weight. The entire system weighs only 81g. The system consists of Top 16t & Bottom 17t aluminum alloy pulley wheels fitted with low friction ceramic bearings and a lightweight cage.

Case Material: Aluminum. Auto Part Position: Top, Bottom. Material: Carbon Fiber. Color: LT-6800 for 6800 6870 9000 9070 7900 6700. Brand: Bibike. Date First Available: February 3, 2023. Best Sellers Rank: #254,329 in Sports & Outdoors. Customer Reviews: 4.6 out of 5 stars 15 ratings 4.6 out of 5 stars. : B0BTT32RD7. Part Number: ?derailleur16-6800r. Manufacturer: ?Bibike. Material: ?Carbon Fiber. Color: ?LT-6800 for 6800 6870 9000 9070 7900 6700. Brand Name: ?Bibike. Package Weight: ?3.2 Ounces. Item Package Dimensions L x W x H: ?4 x 2 x 1 inches.