Material: AL7075 Aluminum( Aircraft Material, Stress Resistant, Stiffness and Intensity Guaranteed) Diameter: 31.6mm 
Tube Length*Travel: 390mm*100mm,430mm*115mm,440mm*125mm
Weight: 650 Grams
Color: Black
Made in Taiwan
The Seat Collar Maximum Lockout Force: 5-7 NM
The seat saddle adjusts the angle of about 20 degrees, the maximum torque of the fastening screws is 15 NM
NOTE: The Inner Tube may have color aberration by technology problems which is normal.

PRODUCT TYPE: 
1B100:31.6mm(Diameter)-390mm(Length)-100mm(Travel)
  2B115:31.6mm(Diameter)-430mm(Length)-115mm(Travel)
  3B125:31.6mm(Diameter)-440mm(Length)-125mm(Travel)
 

FSP-503 SEAT POST INSTALLATION GUIDE: 
1. FSP-503 is designed to fit 31.6mm seat tube inner Diameters.
2. Please make sure that FASTACE seat post could be fit in your frame. Improper fit may cause slippage,faulty performance and even injury. 
3. Please make sure the frame is clean and the inner seat tube is smooth, which might help to reduce scars on the seat post and perform well.
4. Apply a friction or anti-seize compound to the inside of the seat tube and inserted surface of the seat post. Strictly forbid use grease.

Package List: a hydraulic seat post & an uncut remote cable with a lever.

• Holder Type: Lower
• Seat Tube Inner Diameter: 31.6mm
• Length & travel: 390mm-100mm, 430mm-115mm, 440mm-125mm
• Adjustable by Manual and Remote Control
• 170 MM Long Cable & Internal Cable Routing: please make sure your bike frame design is suitable for this holder type.