GX Eagle Transmission Flattop Chain Description: The SRAM GX Transmission Flattop chain's design gives it the highest level of durability and toughness for all day rides and the massive torque of E-Bikes. Note: This chain is only compatible with SRAM Transmission (T-Type) mountain bike drivetrains. SRAM 12-speed road drivetrains require the use of a road flattop chain. Features: Flattop profile for increased shifting performance T-Type Compatibility Solid pins are fully approved for E-Bike use. Specifications: Speeds: 12 Speed Links: 120 Chain Width: - Chain Connector: Powerlock Pin Type: Solid Color: Silver Weight: 285g