Our 41-Thermal forks quickly established a reputation for strength and quality when we originally introduced them in 1999, and they have since gone on to change the standards that all forks are judged by. Our new F-Series forks continue this tradition.

Features

• Proven 41-Thermal processed 4130 chromoly
• Legendary lifetime replacement warranty
• Laboratory tested and team proven
• New, custom, seamless, tapered, butted and specially formed leg tube shaping for improved grind and guard clearance
• All-new steerer tube design improves fatigue strength and includes a built-in, integrated, lower headset seat race
• New, optimized, 4mm dropout shape for grind and peg clearance
• Updated 7075-T6 pre-load bolt, US Pat. No. 7,591,474

Specs

• 25mm modern offset
• 165mm Steer tube
• 3/8” axle slots only
• Starting at 1lb 15.2oz (885 grams)