31.8mm adjustable stem Bicycle Handlebar Riser Stem Adjustable Stem Mountain Bike Handlebar Riser

Style :

KOOTU Official Store

100 In Stock

FOMTOR 0~60 Degree Adjustable Bike Stem for 31.8mm handlebar(1.25'')

Help to up or down the heigth of handlebar.Adjustable angle:  0° ~ 60° degree

 Help to make your bike very comfortable to ride.

 Light weight and durable.

 Constructed of high-strength CNC machined 6061 T6 aluminum alloy.

 Suitable for most road bike, mountain bikes, track bike, MTB, BMX, DH, etc.

-Easy installation, just connect up the original front fork stem. Four bolt bar clamp holds bar securely in position.

Solving the problem of riding position too agreesive which causing back pain or uncomfortable.

The stem can adjust angel ±85°, after adjustment , it can rise the height of the handlebar about 6-10 cm .
Completely solve the problem of back pain , you can riding the bike more comfortable on a better riding position.


 Product details:

Bicycle Handlebar Riser Stem Adjustable Stem
The strongest, lightest and most secure adjustable bicycle stem ,with aluminum alloy strong and durable material
Aluminum alloy adjustable stem
mountain bike adjustable stem riser
31.8mm adjustable stem Bicycle Handlebar Riser Stem Adjustable Stem Mountain Bike Handlebar Riser
adjustable handlebar stem riser
adjustable handlebar stem


Please Note:

Please confirm the diameter of your handlebar is 31.8mm before you buy it.

road bike stem

mtb stem

70mm stem

For Road Bike

For Mountain Bike

For more other bike



 1.Bike shipping details:

Ship from: China
After we received your order.It usually takes 6-8 working days for production, assembly, debug, packing, and sent out.(Some new models may take 10-13 working days. )Because we want to make sure the customer gets the bike 90% pre-assembled

Available countries: all over the world. (Except delay caused by force majeure)

Shipping way: UPS/EMS/DHL/DPD/ Special line and so on

Shipping time (for reference only) :

USA: About 12-18 working days

North america: CA/MEXICO ,about 10-20 working days.

EU countries: 12-18 working days.

Asia countries:6-12 working days

South america :(Brazil,Argentina,Colombia...) , about 20-35 working days.

Oceania:AU,about 15-25 working days.

UK:An additional VAT tax is required. Please contact our customer service.

Philippines: can only be shipped to Manila.Please contact our customer service.

Tax duty:

Tax free countries: All EU countries/ US/ RU/ Japan/ Singapore/ Malaysia/ Thailand/Qatar/ UAE. 

MEXICO/CANADA: Tax around 30-90 CAD, buyer pay.

If your counties is not listed, please kindly contact us.


2.Bicycle accessories shipping details:

Free Shipping worldwide

Shipping way: 4px express

Delivery time:About 15-25 days 

It is not ruled out that irresistible factors lead to the extension of the delivery time of the package,such as bad weather and Covid-19



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