Surly Preamble Flat Bar Bike - 700c Steel Hi-Viz Black X-Large CheckoutSpec= Thin - Marble Red 55R/57-A is designed for use

55R/57-A is designed for use with 62mm outside diameter head tubes and features high performance 1

9 x 9" Keyed Black Includes bracket

Axle to Crown Length 508 Brake Type Post Mount 160 Color Gloss Black Crown Race 40 Defined Color Black External Adjustments Low Speed Compression Damping External Adjustments Lockout Threshold External Adjustments Rebound Damping Front Axle QR x 100mm Lockout Switch Crown Maximum Tire Width 62 Negative Spring Air Offset 42 Positive Spring Air S

Photo for color and material reference only

This chainring will only work with Shimano CN-M9100 8100 & 7100 Hyperglide+ chains due to different thickness of the teeth

Surly Preamble Flat Bar Bike - 700c Steel Hi-Viz Black X-Large CheckoutSpec= Thin - Marble Red 55R/57-A is designed for useDesigned 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