WHQ MTB Bike Seatpost 31.6mm - Lightweight Aluminum Alloy Adjustable Bicycle Seat Post with 30.9mm Extender - Perfect for Mountain Biking, Road Cycling & Commuting

SpecificationsMaterial: aluminum alloy materialColor: balckWeight: about 640gLength: 400mmTube Outter diameter: 30.9/31.6 mmTube thickness: 2.5mmFeatures: Manually adjustableUse: MTB, BMX, mountain bike, track bike, fixed gear, road bike and so on How to choose the seatpost size: 1.Check the diameter of the original seatpost,choose the same size as the original diameter. 2.Measure the inside diameter of the frame tube.choose the same size as the inside diameter of the frame tube. Package includes: 1 X Bike Seatpost

PRODUCT MATERIAL: High-strength 6061 aluminum alloy material, anodizing treatment, durable and light weight 640g.

PRODUCT SIZE: Diameter 30.9mm/ 31.6mm. Length 400mm. Matte surface. Manual height adjustable.

MAXINUM LOAD: 120kg (about 240 lb) Easy to install, to fit different frame seatpost hole.

APPLICABLE MODELS: for most road bike, fixed gear bicycle, mountain bike, downhill bike, track bike, MTB, BMX etc.

PURCHASE TIPS: Before ordering, please do make sure to measure and confirm the diameter that you actually need. Thank you.