--- product_id: 47375497 title: "Boxcar Stem 70mm +/- 15 degree 31.8mm 1-1/8" brand: "paul component engineering" price: "€ 262.92" currency: EUR in_stock: true category: "Paul Component Engineering" url: https://www.desertcart.gr/products/47375497-boxcar-stem-70mm-15-degree-31-8mm-1-1-8 store_origin: GR region: Greece --- # +/-15° adjustable tilt High-strength stainless steel T25 screws 2024 aerospace-grade aluminum Boxcar Stem 70mm +/- 15 degree 31.8mm 1-1/8 **Brand:** paul component engineering **Price:** € 262.92 **Availability:** ✅ In Stock ## Summary > 🚴‍♂️ Elevate your ride with precision, style, and control — don’t just ride, dominate. ## Quick Answers - **What is this?** Boxcar Stem 70mm +/- 15 degree 31.8mm 1-1/8 by paul component engineering - **How much does it cost?** € 262.92 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.gr](https://www.desertcart.gr/products/47375497-boxcar-stem-70mm-15-degree-31-8mm-1-1-8) ## Best For - paul component engineering enthusiasts ## Why This Product - Trusted paul component engineering brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Customizable Ride Angle:** Adjust your stem tilt by ±15° to dial in perfect comfort and control on every ride. - • **Versatile Compatibility:** Fits 31.8mm handlebars and 1-1/8” steerers—ideal for mountain, road, and gravel bikes. - • **Precision Aerospace Alloy:** Crafted from lightweight yet ultra-stiff 2024 aircraft-grade aluminum for elite performance. - • **Rock-Solid Clamp Security:** Durable stainless steel T25 screws ensure a corrosion-resistant, vibration-proof grip. - • **Sleek Black Anodized Finish:** Modern, minimalist style that resists wear and elevates your bike’s aesthetic. ## Overview The Paul Component Boxcar Stem is a 70mm, black anodized bicycle stem engineered from 2024 aerospace-grade aluminum, offering exceptional stiffness and lightweight durability. Featuring a ±15° adjustable tilt and secured by corrosion-resistant stainless steel T25 screws, it provides customizable comfort and reliable clamp force. Compatible with 31.8mm handlebars and 1-1/8” steerers, this USA-made stem blends cutting-edge materials with sleek design, perfect for serious cyclists seeking performance and style across mountain, road, and gravel terrains. ## Description Upgrade your ride with the Paul Component Boxcar Stem - a perfect blend of performance, durability, and classic style for cyclists seeking precision control and reliable engineering. Crafted from US-sourced 2024 aircraft alloy, this 70mm stem offers an optimal combination of stiffness and strength without adding unnecessary weight, making it ideal for serious riders and enthusiasts alike. Materials & Construction Constructed from 2024 aerospace-grade aluminum, the Paul Boxcar Stem ensures superior durability and corrosion resistance. Its black anodized finish provides a sleek, professional look while safeguarding against wear and environmental elements. All screws are made from high-strength stainless steel with T25 Torx heads, delivering exceptional reliability and ease of installation. Performance & Engineering Designed for precise handling, the Boxcar Stem features a +/- 15-degree adjustable angle, allowing riders to customize their riding posture for comfort or aggressive performance. The 70mm length strikes an excellent balance between responsiveness and stability, enhancing steering precision across varied terrains and riding styles. Components & Technology Utilizing advanced aerospace materials and a meticulous manufacturing process in the USA, this stem guarantees consistent quality and performance. The 28.6mm S.H.I.S. clamp diameter securely attaches to standard handlebars, specifically suitable for 31.8mm diameter bars, ensuring a firm grip and minimizing movement during intense rides. Style & Use Case With its sleek black finish and versatile geometry, the Paul Boxcar Stem complements a wide range of bike types-from mountain bikes and gravel grinders to road bikes seeking a minimalist aesthetic. Its modular design and adjustable angle make it perfect for riders aiming for a personalized riding position, whether climbing technical trails or cruising on open roads. Innovative & Differentiating Features What sets the Paul Boxcar Stem ap ## Features - Precision-engineered for optimal performance, the Paul Component Boxcar Stem features a durable 2024 aircraft-grade aluminum construction that offers exceptional stiffness and strength while maintaining a lightweight profile. - Designed with +15/-15 degree adjustable tilt, this versatile stem provides customized positioning for improved rider comfort and handling, making it ideal for competitive racing or recreational cycling. - Built with high-strength stainless steel T25 screws, ensuring secure clamp force and reliable durability even under rigorous riding conditions, with corrosion-resistant performance for long-lasting reliability. - Compatible with 31.8mm handlebars and 1-1/8 inch steerers, this black anodized aluminum stem blends sleek style with versatile use case options, suitable for mountain biking, road cycling, or gravel adventures. - Made in the USA with precision manufacturing standards, the Paul Boxcar Stem combines modern engineering, innovative features, and classic style to enhance your bike's performance and aesthetic appeal. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B01E1VT6PS | | Best Sellers Rank | #681,395 in Sports & Outdoors ( See Top 100 in Sports & Outdoors ) #832 in Bike Stems | | Brand Name | Paul Component Engineering | | Color | Black | | Customer Reviews | 5.0 5.0 out of 5 stars (1) | | Date First Available | April 9, 2016 | | Included Components | Stems | | Item Dimensions LxWxH | 10 x 8 x 2 inches | | Item Package Dimensions L x W x H | 10 x 8 x 2 inches | | Item Weight | 0.59 Pounds | | Manufacturer | Paul Component Engineering | | Material | Aluminum | | Model Name | Boxcar | | Number of Items | 1 | | Package Weight | 9.6 ounces | | Part Number | Paul Component Engineering-SM8992 | | Size | 70mm 31.8 +/-15 | | Sport Type | Cycling | | Style | Stems | | Suggested Users | unisex-adult | | Warranty Description | Limited Warranty | ## Images ![Boxcar Stem 70mm +/- 15 degree 31.8mm 1-1/8 - Image 1](https://m.media-amazon.com/images/I/61aXQZeTowL.jpg) ![Boxcar Stem 70mm +/- 15 degree 31.8mm 1-1/8 - Image 2](https://m.media-amazon.com/images/I/513K5n8nKfL.jpg) --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.gr/products/47375497-boxcar-stem-70mm-15-degree-31-8mm-1-1-8](https://www.desertcart.gr/products/47375497-boxcar-stem-70mm-15-degree-31-8mm-1-1-8) --- *Product available on Desertcart Greece* *Store origin: GR* *Last updated: 2026-04-23*