- FSA Bosch replacement drive unit sprockets - Fits GEN 2 Bosch systems - Offset: 2.5mm offset for standard and Boost148 spacing - Material: Heat Treated Stainless Steel - Weight: 25.2g (16 tooth)

FSA Pro Road Chainrings deliver flawless shifting for any road drivetrain. - Precision CNC machined AL7075/T6 alloy

Bosch Gen 2 specific steel chainring

- BCD: 110 - Chainring Bolts: 5 - Chainring Comp: Double - Teeth: 34 - Primary Color: Black - Material: Aluminum - Position: Inner - Speed: 11

The Full Speed Ahead Gossamer AGX chainrings are engineered for stiffness while still being lightweight, and utilize a direct mount platform. MegaTooth technology keeps the chain from dropping when you're bouncing around on rough gravel roads. - CNC-machined alloy - MegaTooth technology for superior chain retention - Fits FSA Gossamer crankset only

FSA's MTB Pro chainrings deliver flawless shifting for mountain drivetrains. - Precision CNC machined AL7075/T6 alloy - Shifting ramps and stainless pins for improved performance - Chainring is compatible with Shimano and SRAM 10/11-speed drivetrains - 8mm thickness

Shifting performance has helped Full Speed Ahead to become a world leader for high-end chainrings. No one studies the design and manufacturing of each system, and each tooth, as carefully as we do. Our dedication shows in every revolution of the crank, and every perfect shift achieved. To meet or exceed the needs of any drivetrain, Full Speed Ahead has developed sophisticated design, testing and manufacturing protocols. This allows Full Speed Ahead to match your needs as perfectly as our chainrings match a chain. We offer more options, levels, and finishes than our competitors. We use the best materials available, imported from the USA, Europe, or sourced from our qualified vendors in Asia, to guarantee the durability, performance, and appearance will out-perform, and outlast the competition. Full Speed Ahead chainrings have powered multiple World, Tour de France, and Olympic champions, and will exceed your expectations. - Stamped AL7075/T6 - Chainrings are compatible with all 10-speed drivetrains, and compatible with FSA, SRAM, and Shimano 11-speed drivetrains - Drivetrain Speeds: 11, 10

FSA Pro Road Chainrings deliver flawless shifting for any road drivetrain. - Precision CNC machined AL7075/T6 alloy

FSA Super Road Chainrings are designed to provide flawless shifting, with minimal weight and unmatched durability. - Precision CNC machined AL7075/T6 alloy

FSA Pro Track Chainrings are CNC Machined AL7075/T6 with laser-etched logos. - Requires 1/2" x 1/8" chain

FSA Super Road Chainrings are designed to provide flawless shifting, with minimal weight and unmatched durability. - Precision CNC machined AL7075/T6 alloy

FSA's Pro Road chainrings are made from CNC-machined 7000-series aluminum for low weight. The teeth are ramped and pinned for excellent shifting, too.