Open/Closed Back Ultimate EVO Arm Cups

Open Back Ultimate EVO Arm Cups: Precision Fit. Maximum Stability.

The TriRig Scoops Ultimate EVO Open Back Arm Cups are built for aerodynamic efficiency, comfort, and control. Made from ultra-light carbon fiber, they feature an open-back design that provides a secure, stable platform for long rides and aggressive aero positions. Come with hand position extensions.

Product Highlights:

• More Hole Spacing: Greater adjustability for a custom fit.

• New Cable Routing Channel: Cleaner, more efficient cable management.

• Higher Sides: Improved aerodynamics and forearm stability.

• Open and Closed Versions: Choose the design that fits your style and needs.

• Open Back Optimized for Women & Shorter Forearms: Better comfort and reach.

• Enhanced Hand Position Adjustability: Fine-tune your aero setup for performance.

The EVO Open Back provides unmatched comfort and control - delivering the perfect upgrade for athletes chasing speed, stability, and aerodynamic precision.

Closed Back Ultimate EVO Arm Cups: Precision Fit. Maximum Stability.

The TriRig Scoops Ultimate EVO Closed Back Arm Cups are built for aerodynamic efficiency, comfort, and control. Made from ultra-light carbon fiber, they feature a closed-back design that provides a secure, stable platform for long rides and aggressive aero positions. Come with hand position extensions.

Product Highlights:

• More Hole Spacing: Greater adjustability for a custom fit.

• New Cable Routing Channel: Cleaner, more efficient cable management.

• Higher Sides: Improved aerodynamics and forearm stability.

• Open and Closed Versions: Choose the design that fits your style and needs.

• Closed Back Version: Provides support to the elbow to stay locked in.

• Enhanced Hand Position Adjustability: Fine-tune your aero setup for performance.

The EVO Closed Back provides unmatched comfort and control - delivering the perfect upgrade for athletes chasing speed, stability, and aerodynamic precision.

TriRig designs innovative, aerodynamic products built with elite athletes and proven through real-world performance. With a relentless focus on progress, problem-solving, and minimal design, every product helps athletes push limits and achieve their personal best.

• At 365 grams per set, these cups deliver minimal weight with maximum comfort.
• Ergonomic Support: Increases arm wrap and surface area for a more comfortable ride, ideal for extended use.
• Extended Adjustment Range: Features multiple mounting points and slotted bolt holes to accommodate various setups.
• Textured Neoprene Pads: Provides superior grip and cushioning for enhanced comfort and stability.

• ⚙️ Compatibility: Scoops mount using two fore/aft bolts into matching threaded bosses on your arm-pad bracket/aerobar. Check that your bracket’s hole pattern aligns; both bolts must be used for a safe, stable install. Non-standard patterns may require Wingspan Extenders.
• Fits most aerobars on the market, including Alpha One.
• Comes with M5 and M6 bolts for easy installation.
• The Open Back SL Carbon Arm Cups are not recommended for use on the Trek Speed Concept Gen 3 (2022+) due to their narrower hole pattern. Other Scoops variants are compatible with the appropriate hardware kit.
• 🔧 Need help with the install? See our install guide.

Orders start processing fast!  We aim to have orders, placed before noon MT on business days (non-holiday Mondays through Fridays), leave the warehouse that same day. Orders placed after noon (MT) on a business day, or on a weekend, will ship the following business day. 

TriRig ships most packages via OSM / USPS and FedEx although we may change these at any time. 

📦 Shipping Insurance:

To add piece of mind to your order, we offer shipping insurance (Checkout+) for domestic and international customers. Checkout+ is a completely optional shipping protection that helps resolve carrier-related delivery issues more quickly. (This service is also combined with free returns). 

⭐What Checkout+ covers:

• Packages that are lost or mis-delivered by the carrier

• Faster replacement or refund without waiting for a carrier investigation to complete

• Coverage applies when the correct shipping address is entered at checkout

❌What Checkout+ does not cover:

• Incorrect or incomplete addresses entered at checkout

• Address changes after an order has shipped

• Packages delivered to the address provided during checkout

• Delays or delivery issues caused by customer moves, temporary addresses, or expired delivery locations

***Checkout+ does not override customer responsibility for entering a valid, accurate shipping address.

🌍 International Shipping & Import Fees

• We ship anywhere in the world! 

• International orders may be subject to VAT, duties, import taxes, and carrier handling fees

• These charges are assessed by the destination country and are the customer’s responsibility

• TriRig does not collect or reimburse import taxes or VAT unless explicitly stated at checkout

⚠️ We are not responsible for delivery delays, holds, or returns caused by unpaid duties, taxes, or customs clearance issues.

• All returns, exchanges and claims are handled through our self serve portal.
• Items may be returned within 30 days of the original purchase date.
• Item must be in brand new condition, uninstalled with no blemishes and complete with all original materials and packaging.
• Item must be in resell-able/re-stockable condition.
• ⭐With Checkout+: Fee returns and return shipping.
• ❌Without Checkout+: All returns will be subject to a 15% restocking fee.
• We reserve the right to deny any returns who do not meet the return conditions above. 
• If an individual item lists a deviation from this policy (such as no returns), then that deviation applies, and supersedes this return policy.
• International returns: Accepted on a case by case basis. We do not provide return labels for international returns. Orders unprotected by checkout+ are subject to a 15% restocking fee. 
• Limited warranty is valid for 1 year after purchase date. 
• Extended warranty (purchased with Redo) is valid for 2 years after purchase date.
• For more information on our warranty policy, visit our Warranty Policy page.