SAFORT Suspension Seatpost for eBike- Upgraded USS-SP19 (Successor to USS-SP18) - Comfort for Heavy Riders 110-330 lbs

SAFORT SP19 Suspension Seatpost for Electric Bikes (E-Bikes)Upgrade your e-bike riding experience with the ​SAFORT SP19 Suspension Seatpost – engineered to eliminate road vibrations and deliver unmatched comfort for urban commuters, off-road adventurers, and long-distance riders. Unlike rigid seatposts that amplify bumps, our patented ​4-Link Parallelogram Suspension absorbs shocks from uneven terrain, reducing fatigue and lower back strain during high-speed electric bike rides.Why E-Bike Riders Love the SP19:Smooth Shock Absorption – Perfectly balances pressure across the parallelogram structure (not central compression), neutralizing vibrations from gravel, potholes, and urban curbs. Ideal for e-bikes reaching 20-28mph!Weight-Optimized Durability – Withstands up to 180kg (400lbs), making it the ultimate seatpost for heavy-duty e-bikes (including cargo bikes and fat-tire models).​Fine-tune your ride comfort with the ​external softness dial (tool required for adjustment). Match the suspension to any terrainTech Specs:Travel: 50mm | Load Range: 50-150kg (110-330lbs) | Max Weight: 180kg (400lbs)Length: 365mm | Offset: 25mm | Weight: ~800gIncludes: 1x Seatpost, 1x User manual

• 【Upgraded SP19 Model】- Building on the success of SAFORT SP18 (chosen by 50,000+ US riders in 2024), the new SAFORT SP19 features reinforced linkage arms, higher load capacity, visible softness adjustment, and taillight mountable design for enhanced durability and functionality
• 【Patented 4-Link Suspension】- Unlike traditional suspension seatposts, this unique parallelogram structure achieves perfect pressure balance, delivering a noticeably softer and more comfortable ride through advanced suspension technology
• 【Wider Weight Range】- Specially engineered long-force-arm design accommodates riders from 50-150kg (110-330lbs), with maximum capacity up to 180kg (400lbs), making it ideal for both lightweight and heavyweight riders
• 【Specifications】- 365mm length | 125mm stack height | 50mm travel | 25mm offset | approximately 800g weight(27.2mm) | Crafted from 6061-T6 aluminum alloy
• 【Packing List】​ - Includes 1x premium USS-SP19 suspension seatpost, and 1x detailed user manual - everything you need for immediate installation and riding
• 【Before You Buy】- Please measure the diameter of your current seatpost to ensure compatibility.Some sizes listed include a conversion shim (e.g., a 31.8mm listing provides a 27.2mm post + 27.2 to 31.8mm shim).Shims are ultra-lightweight and nearly invisible when installed