--- product_id: 213055643 title: "Bike Stem 31.8mm Clamp - Ritchey Comp 4-Axis 30D, Adjustable Angle Fit" brand: "ritchey" price: "R2550" currency: ZAR in_stock: true category: "Ritchey" url: https://www.desertcart.co.za/products/213055643-bike-stem-31-8mm-clamp-ritchey-comp-4-axis-30d store_origin: ZA region: South Africa --- # ±30° adjustable stem angle Matte black corrosion-resistant finish 4-axis modular tech for precise fit Bike Stem 31.8mm Clamp - Ritchey Comp 4-Axis 30D, Adjustable Angle Fit **Brand:** ritchey **Price:** R2550 **Availability:** ✅ In Stock ## Summary > ⚡ Elevate your ride with precision and style — because comfort is the new speed. ## Quick Answers - **What is this?** Bike Stem 31.8mm Clamp - Ritchey Comp 4-Axis 30D, Adjustable Angle Fit by ritchey - **How much does it cost?** R2550 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.co.za](https://www.desertcart.co.za/products/213055643-bike-stem-31-8mm-clamp-ritchey-comp-4-axis-30d) ## Best For - ritchey enthusiasts ## Why This Product - Trusted ritchey brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Lightweight Performance:** At just 136g, this stem keeps your bike nimble without compromising strength. - • **Customizable Ride Posture:** Adjust stem angle ±30° to effortlessly switch between aggressive and upright riding styles. - • **Precision Fit, Every Ride:** Innovative 4-axis design lets you dial in your perfect handlebar position for unmatched control and comfort. - • **Built to Last, Styled to Impress:** Durable 3D net forged 6061 aluminum with sleek matte black finish resists corrosion and looks sharp on any bike. - • **Pro-Level Quality, Real-World Price:** Trusted by enthusiasts and racers alike, delivering premium engineering without the premium cost. ## Overview The Ritchey Comp 4-Axis 30D Stem is a lightweight, durable bicycle stem crafted from 3D net forged 6061 aluminum. Featuring an innovative 4-axis modular design and ±30° adjustable angle, it offers customizable fit and enhanced rider comfort. Compatible with 31.8mm handlebars and 1-1/8" steerers, its matte black corrosion-resistant finish ensures lasting style and performance for both road and mountain bikes. ## Description "Pro caliber features at a real-world racer price." We offer features for serious competition applications at a price that is affordable to real racers. This 3D NET FORGED 6061 ALUMINUM Stem allows you to adjust the stem angle to ±30 degrees for riders looking for a more comfortable fit. Angled steer tube clamp slots reduce stress on carbon steer tubes. Material: 3D net forged 6061 aluminum, Angle: ±30 degrees, Steer Tube Height: 45mm, Steer Tube Diameter: 1-1/8", Faceplate Width: 40mm, BB Black Finish, Weight: 170g (110mm) Specifications: Brand: Ritchey Model: COMP Type: 4-AXIS Handlebar Diameter: 31.8 Steer Tube Diameter: 1 1/8" Clamp Height: 45 Steer Tube Diameter: 28.6 Angle (°): 30 Finish: Matte Color: Black ## Features - Length: 90mm reach is a versatile middle ground, weighing a claimed 136g; flip the plus or minus 30 degree body to raise or lower the bars on a 1-1/8 inch steerer. - Big-Angle Fit Tool: the plus or minus 30 degree body flips to deliver a substantial rise or drop, letting riders raise or lower the bars dramatically without changing spacers or bars. - Forged Strength: 3D net forged 6061 aluminum construction with stainless steel bolts offers pro-caliber durability at the Comp tier's real-world price point. - Carbon Conscious: the angled steerer tube clamp slot reduces stress concentration on carbon steerer tubes, and the stem fits standard 1-1/8 inch (28.6mm) threadless steerers. - Cockpit Ready: 31.8mm bar clamp diameter with a 40mm-wide clamp, BB Black finish, matching top cap included, and a claimed weight of 136g in the 90mm length. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B07VYKZ38W | | Best Sellers Rank | #48,648 in Sports & Outdoors ( See Top 100 in Sports & Outdoors ) #34 in Bike Stems | | Bike Type | Mountain Bike, Road Bike | | Brand | Ritchey | | Brand Name | Ritchey | | Color | BB Black | | Customer Reviews | 4.6 out of 5 stars 208 Reviews | | Included Components | Stem, Matching Top Cap | | Item Highlight | Plus Or Minus 30 Degree Angle, 3D Net Forged 6061 Alloy, Angled Steerer Clamp Slot, Stainless Steel Bolts, Top Cap Included | | Item Type Name | Stem | | Item Weight | 136 g | | Item Width | 31.8 inches | | Manufacturer | Ritchey | | Manufacturer Part Number | RT31035317046 | | Manufacturer Warranty Description | 1-year limited manufacturer warranty against defects in materials and workmanship, original owner, proof of purchase required | | Material | Aluminum | | Material Type | Aluminum | | Model Number | RT31035317046 | | Number of Items | 1 | | UPC | 796941319072 | | Unit Count | 1 Count | ## Product Details - **Brand:** Ritchey - **Tire Type:** Tubeless - **Item Width:** 31.8 Inches - **Warranty Type:** Limited - **Material:** Alloy - **UPC:** 796941319072 - **Size:** 90 mm - **Manufacturer:** RITCHEY ## Images ![Bike Stem 31.8mm Clamp - Ritchey Comp 4-Axis 30D, Adjustable Angle Fit - Image 1](https://m.media-amazon.com/images/I/81lHCY3uanL.jpg) ## Available Options This product comes in different **Size** options. ## Frequently Bought Together - Ritchey Comp 4-Axis Stem - 90mm, 31.8, 30 Degree, Matte Black - Ritchey Comp 4-Axis Stem - 80mm, 31.8, 30 Degree, Matte Black --- ## 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.co.za/products/213055643-bike-stem-31-8mm-clamp-ritchey-comp-4-axis-30d](https://www.desertcart.co.za/products/213055643-bike-stem-31-8mm-clamp-ritchey-comp-4-axis-30d) --- *Product available on Desertcart South Africa* *Store origin: ZA* *Last updated: 2026-11-06*