Best Seatpost For Road Bike

Dirza Bike Cargo Rack Bike Rear Rack with Fender - Full Quick Release - Adjustable - Bicycle Carrier Rack Bike Luggage Rack for Back of Bike Aluminum Alloy 115 lbs Capacity Black

DESIGNED WITH FENDER:The bicycle cargo rack is designed with fender to provide more protection when riding in rainy day or mud road,keep the bike and pannier cleaner.When you don't want the fender,you can remove at any time..
FULL QUICK RELEASE:The rear bike rack features a full quick release fuction.When you want to put on/take off the bike carrier,the quick release clamps on seatpost and support rods enable you to easiler to put on/take off the bike back rack without tools..
SOLID & STURDY:The Bicycle rear rack made of high quality strength aluminum alloy,lightweight but strong and sturdy enough for bearing up to 115 lbs.Great for carrying pannier,school bag etc..
INSTALL:The bike rear rack comes with tools and installation instructions,it shows in detail how to install the bike rear rack step by step.What you need is follow the instruction then it will easy to install..
ADJUSTABLE:The rear bike rack has many adjustable designed to fit most of the bikes.The support rods can be adjust from 9.7"-14".The rack body can be move forward or backward.It's great for 18"-27. 5" mountain bike,road bike but NOT for suspension bike,womens bike, fat tire bike,folding bike..

Made of High quality 7075 aluminium alloy.Light weight,never rust.Strength: 4.9 levels ultra high strength, maxium of 580lbs..
With adjustable head, convenient to install.Seat angle is adjustable..
Suitable for most Mountain bikes, Road bike, Downhill bike, Track bike, MTB, BMX, DH, etc.
How to Choose the 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..

Made of High quality 7075 aluminium alloy.Light weight,never rust.Strength: 4.9 levels ultra high strength, maxium of 580lbs..
With adjustable head, convenient to install.Seat angle is adjustable..
Suitable for most Mountain bikes, Road bike, Downhill bike, Track bike, MTB, BMX, DH, etc.
How to Choose the 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..

Made of High quality 7075 aluminium alloy.Light weight,never rust.Strength: 4.9 levels ultra high strength, maxium of 580lbs..
With adjustable head, convenient to install.Seat angle is adjustable..
Suitable for most Mountain bikes, Road bike, Downhill bike, Track bike, MTB, BMX, DH, etc.
How to Choose the 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..

★How To Choose Correct Diameter Size★ : (1) Check The Original Seatpost Size Marked On The Body ,Choose The Same Size As The Original One.(2) Measure The Inside Diameter Of The Frame Tube(Normally It Is Not Accurate, Considering Operator,Measuring Tool , Temperature,Etc.,).(3) Inquire The Bike Frame Seller To Get The Further Information.
★How To Adjust And Install Suspension★ : Rebound Force Adjustable By Tighten Or Loose The Bottom Screw Wiht M6 Allen Wrench. Suspension Travel 42mm/ 1.65inch.Build-In Spring Coil And Damper Rubber Absorb The Vibration While Riding, The Seat Post Comfort Your Riding Experience, Improve The Shocks. Saddle Clamp Angle Can Adjust In -5 Degree To +18 Degree. 2 Bolts Hold The Clamp, Enhance Safe And Easy To Install.
★Seat Tube Parameters★ :Material: 6061-T6 Alloy Aluminum , Diameter : 27.2mm Length: 350mm Travel: 40mm Adjustable Preload Suspension Travel. Offset :14mm .Weight: Approx 490g(1.08 Lbs) Damping:Coil Spring , You Can Add Seatpost Thim(27.2~28.6/30.0/30.4/30.8/30.9/31.6/33.9) To Fit Different Size.
★Compatibility★ : Most Fixed Gear Bike ,Road Bike ,Mountain Bike , Universal Bikes,Etc. Support Weight 50kg/ 110lbs To 100kg/ 220lbs(Clockwise The Bottom Screw If You Are Heavy, Anticlockwise It If You Are....

Suspension seatpost. Build-in PU spring.Help to alleviate the shocks from all the bumpy roads.Help to make your bike very comfortable to ride.It can....
Made of 6mm High quality aluminium alloy.Light weight,never rust..
Saddle clamp angle can adjust in -5 degree to +18 degree. 2 bolts hold the clamp, enhance safe and easy to install..
Suitable for most Mountain bikes, Road bike, Downhill bike, Track bike, MTB, BMX, DH, etc.

?PREMIUM QUALITY:The seatpost is made of full CNC quality machining aluminum alloy, anti-slip, light weight and can be used for a long time..
?6 DIFFERENT SIZE:Our product have 6 different seat post tube adapter, you can choose the bicycle seat tube to the size you want..
?EASY TO INSTALL: Easy to install and remove, convenient for you to use..
?WILD RANGE OF APPLICATION:This product is used with most bicycles, for example MTB bike, mountain bike, road bike, etc..
?WARM-HEARTED TIP: Please check the outer diameter of your bicycle seat tube. Measure the inner diameter of the old clamp. Or measure the outside diameter of the seat tube. Then make the right choice..

Diameter:27.2mm.Length:350mm.Setback: 20mm. Adjust tube length of 0 to 320mm..
Made of High quality 6061 aluminium alloy.Light weight,never rust.Strength: 4.9 levels ultra high strength, maxium of 580lbs..
How to Choose the 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..
With adjustable head, convenient to install..
Suitable for most mountain bikes, road bike, fixed gear bicycle, downhill bike, track bike, MTB, BMX, DH, etc.

Size: 27.2mm(1.07 in) × 350mm(13.78 in)，outside diameter：27.2mm，Total length: 350mm，Weight:325(0.67 lb)..
Material：aluminium alloy 6061(tube part) ，Anti-corrosion, anti-oxidation，suit for long cycling..
Adjustable：Clamp head angle adjustable,easy to install .you can find a comfort saddle angle for your personal love..
Suitable for most road bike, fixed gear bicycle, mountain bikes, downhill bike, track bike, MTB, BMX, DH, etc.
The seatpost outside diameter is 27.2mm(1.07 in),please measure your bike and choose the right model..

PAY ATTENTION:Please measure and confirm the exact post diameter required for your bike..
MATERIAL: Made of 6061 aluminum alloy, Lightweight strong and durable.Comes anodized in Black, Blue,Red and Silver,colorfast surface,great anti-corrosion.
SIZE: Diameter: 25.4/27.2/28.6/30.8/31.6mm.
SAFE LINE MARK: There is a safety line mark on the seatpost. Please insert at least above the minimum safety line when installing the new seatpost..
USE&FIT:Widely use in most road bicycles, fixed gear bicycles, mountain bikes, downhill bicycles, rail bikes, MTB, etc..