FSA Afterburner Stem 31.8mm x 80mm ±12° MFPN=RF728-TSV-B3-RE Rings 42Number of Chainrings Chain

Rings 42Number of Chainrings Chain Retaining SingleDrivetrain Speeds 12Drivetrain Speeds 13Chainring BCD Direct Mount SRAM 8-BoltChainline/Hub Compatibility 135/142 Road Disc Hubs < 415 mm ChainstayChainline/Hub Compatibility 135/142 Road Disc Hubs > 415 mm ChainstayColor CarbonCrank Length (mm) 165Crank Intended Use RoadCrank Intended Use GravelBB Included NoPedal Spindle 9/16"Spindle Interface Type SRAM DUBDefined Color Carbon

Adjustable velcro strap mounts to seatpost bike frame

1 Model Name Crowbar Featherweight Category Handlebars

Ultra-lightweight XX SL T-Type 10-52t cassette offers game-changing inboard and outboard shifting performance under load

SKS Anywhere Mount With Cage

FSA Afterburner Stem 31.8mm x 80mm ±12° MFPN=RF728-TSV-B3-RE Rings 42Number of Chainrings ChainThe FSA Afterburner Stem is a robust and versatile option for mountain bikers tackling aggressive trails. Built from forged aluminum it offers a strong lightweight platform for precise steering and durability. Its trail ready design makes it a dependable choice for riders who demand control and confidence on technical terrain.