Aluminum Alloy Bike Stem 25.4 x 90mm 0-60 Degree Adjustable MTB Fork Stem Extender Handlebar Stem Riser Bicycle Cycling Stem Head Up Adapter Bike Neck Height Spacer

This ± 60° adjustable bike fork stem extender is a helpful tool to raise up the handlebar of your bicycle, achieving a more comfortable riding position. 

Feature:
For 28.6mm / 1.1in front fork, 25.4mm / 1in handlebar.
± 60° adjustable angle helps to up or down the height of handlebar, achieving a more comfortable riding position. and better for your back.
Sand blasted aluminum alloy construction, solid, strong, corrosion-resistant and rust-free.
Easy installation, just connect up the original front fork stem with provided hex wrenches.
Suitable for most road bike, fixed gear bicycle, mountain bikes, etc

Specifications:
Material: Aluminum alloy
Color: Black
Type: Type 1 / Type 2 / Type 3 / Type 4 / Type 5 ( optional )

Type 1 :
Product Size: 25.4 * 90 mm / 1 * 3.5 in
Product Weight: 255 g / 9.0 oz
Fork stem diameter: 28.6 cm / 1.1 in
Handlebar Diameter: 25.4 mm / 1 in

Type 2 :
Product Size: 31.8 * 90 mm / 1.3 * 3.5 in
Product Weight: 267 g / 9.4 oz
Fork stem diameter:  28.6 cm / 1.1 in
Handlebar Diameter: 31.8 mm / 1.3 in

Type 3 :
Product Size: 25.4 * 110 mm / 1 * 4.3 in
Product Weight:  267 g / 9.4 oz 
Fork stem diameter:  28.6 cm / 1.1 in
Handlebar Diameter: 25.4 mm / 1 in

Type 4 :
Product Size: 31.8 * 110 mm / 1.3 * 4.3 in
Product Weight: 276 g / 9.7 oz
Fork stem diameter:  28.6 cm / 1.1 in
Handlebar Diameter: 31.8 mm / 1.3 in

Type 5 :
Product Size:  31.8 * 130 mm / 1.3 * 5.1 in
Product Weight: 305 g / 10.8 oz
Fork stem diameter:  28.6 cm / 1.1 in
Handlebar Diameter: 31.8 mm / 1.3 in

Package List: 
1 * Bike Stem Extender
2 * Hex Wrench