TRP2638 Quick-Release Seatpost Bag Extension Mount (31.8mm)

TRIGO TRP2638 Quick-Release Seatpost Bag Extension Mount
The ultimate spatial solution designed for Brompton and 31.8mm seatpost bikes. Instantly unlock your bike's rear carrying potential with a one-second quick-release design.

🌟 Key Features

• Rear Expansion & Doubled Capacity: Break free from traditional front-mounting limitations. The TRP2638 mounts beneath the saddle (facing the rear of the ride), extending a standard Brompton bag mount interface (commonly known as the "pig nose") to significantly boost your travel carrying capacity.

• Robust Load & Secure Support: Precision-engineered for strength, offering a safe load capacity of up to 5 kg, securely supporting your daily commute gear or personal luggage.

• Premium Metal Hardware for Extreme Durability: Upgraded with a stainless steel shaft paired with an aluminum alloy CNC-machined quick-release lever, delivering exceptional torsional rigidity and weather resistance to adapt effortlessly to various riding environments.

• Convenient Quick-Release, Hassle-Free Folding: Featuring an innovative quick-release mechanism for lightweight, smooth attachment and removal. Easily detach in one second when folding your bike, ensuring total portability and clean storage without interference.

• Universal 31.8mm Compatibility: Designed for standard 31.8mm seatposts. Perfectly compatible with Brompton folding bikes as well as any other folding or standard bicycles sharing the same seatpost diameter.

• High-Strength Lightweight Body: Crafted from high-strength nylon with fiber reinforcement for exceptional structural rigidity, shock absorption, and wear resistance, weighing only 264.5g for a featherlight ride.

• Integrated Visual Aesthetics: Styled with a sophisticated matte black finish and refined metal CNC craftsmanship, combining practical utility with high-end style.

📋 Specifications

• Brand: TRIGO

• Model: TRP2638

• Body Material: High-strength nylon with fiber reinforcement

• Metal Components: Stainless steel shaft, aluminum alloy CNC quick-release lever

• Clamp Specification: Φ 31.8mm seatpost

• Safe Load Capacity: 5 kg

• Product Weight: 264.5g

• Structural Design: Convenient quick-release mechanism

• Installation Position: Bicycle seatpost (rear side beneath the saddle)

• Primary Function: Provides a rear-mounted standard Brompton bag expansion interface