Paul Comp

Boxcar 12 Deg Stem - 31.8mm

Paul Comp Boxcar 12 Deg Stem is a precision-built 31.8mm handlebar stem for riders who want a stiff, confidence-inspiring front end without unnecessary weight. The 12-degree angle provides a practical fit-tuning option for dialing bar height and reach across road, gravel, commuter, and all-road builds, while Paul’s machining quality and hardware choices prioritize long-term durability and clean serviceability.

Fit, durability, and service details that matter

1. 12-degree angle - Makes it easier to fine-tune handlebar height and riding position without resorting to extreme spacer stacks or unconventional bar shapes
2. 31.8mm bar clamp - Matches the most common modern handlebar standard for broad compatibility and a secure interface
3. U.S.-sourced 2024 aircraft aluminum alloy - Chosen for high strength and stiffness, supporting precise steering feel under hard efforts and rough surfaces
4. High-strength stainless steel bolts - Resists corrosion and maintains reliable clamping over time, especially on all-weather bikes
5. T25 Torx hardware - Helps reduce tool slip and bolt-head damage compared to smaller hex fittings, making routine adjustments more straightforward
6. Made in the USA - Built with tight process control and consistent machining quality for riders who value domestic manufacturing