Surly Preamble Frameset - 700c Steel Hi-Viz Black Medium MFPN=100-4006-143 Rings 50/37Number of Chainrings DoubleDrivetrain

Rings 50/37Number of Chainrings DoubleDrivetrain Speeds 12Chainring 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 RoadBB Included NoPedal Spindle 9/16"Spindle Interface Type SRAM DUBDefined Color Carbon

Platform dimensions: 100x100x16

6mm chainring bolts

Or utilize two-way messaging and interactive SOS messaging capability during an outdoor adventure from either an LTE or satellite link — all powered by up to 15 days of battery life in smartwatch mode

Surly Preamble Frameset - 700c Steel Hi-Viz Black Medium MFPN=100-4006-143 Rings 50/37Number of Chainrings DoubleDrivetrainDesigned to introduce unfamiliar riders to Surlys pavement and gravel line Preamble highlights Surlys most essential features: Durable custom steel tubing a renowned ride feel and just the right mounts for running racks fenders and bottle cages. Available in flat bar and drop bar configurations its disc brake specific and shares a single position vertical dropout with Surly Bridge Club. For new weekend riders and veteran commuters Preamble makes it