Odyssey's 41-Thermal Forks quickly established a reputation for strength and quality when they lauched in 1999, since going on to change the standard by which all forks are judged by. The R-Series Forks continue this tradition, laboratory tested and team proven with legendary lifetime replacement warranty. A modern steeper 15mm offset, seamless tapered butted and specially formed leg tube shaping offer improved grind and guard clearance. The steerer tube design improves fatigue strength and includes a built-in, integrated lower headset seat race and optimised 4mm dropout shape for improved grind and peg clearance. ###section### Product Specs Steerer Length: 180mm Steerer Diameter: Wheel Size: 20" Material: 100% chromoly Dropout Size: 10mm Offset: 15mm Weight: 1.95lbs (885g) Colour: Rust Proof Black, Chrome