ZOOM Bicycle Wire-Controlled Hydraulic Lift Seat Tube Mountain Bike Seatpost, Size:30.9mm, Specification:400mm Internal Routing

Hydraulic lift seat tube designed for mountain and road bikes. It features an aluminum alloy construction and is intended for everyday use.

• Material: Aluminum alloy
• Weight: about 628 grams for outer wiring 30.9 mm
• Weight: about 650 grams for outer wiring 31.6 mm
• Weight: about 653 grams for inner wiring 30.9 mm
• Weight: about 679 grams for inner wiring 31.6 mm
• Length: 375 mm for outer wiring
• Length: 400 mm for inner wiring
• Specification: 43x42mm
• Stroke: 100 mm
• Wall thickness: 3mm
• Diameter: 30.9/31.6mm
• Length of internal cable: 170 mm (can be cut according to the bicycle)
• Applicable models: road bikes, mountain bikes
• Color: black
• Double-nail rear drift design with 10.9 torque screws
• Sealing ring design for rainproof and dustproof protection
• Oil pressure system with high lubricity
• Suspension rod unaffected by side forces
• Coil springs for proper compression and rebound damping
• Fine adjustment screw on the bottom, pre-adjusted
• Durable material, easy to install