We are trying to satisfy 100% of our customers
Our bikes are 100% safe and eco-friendly
✕
biker4-shop-icon3
julio 30, 2026

New 25.4/31.8mm MTB Bicycle Handlebar Mountain Road Bike Adjustable Stem Riser

New 25.4/31.8mm MTB Bicycle Handlebar Mountain Road Bike Adjustable Stem Riser 100% brand new and high quality. Bike handlebar riser is used for adjust your bike's height and angle in order to suitable for your riding. Made of Alluminium Alloy material,more durable and lightweight. 40 angle handlebar riser not only change your height but your bike handbar angle. Relieve your back and waist pressure to adjust your bike handle. Specification: Parameters: Name: Adjustable Bicycle Stem Riser Specifications: ABOUT 31.8 * 110mm/1.25 * 4.33in, 31.8 * 90mm/1.25 * 3.54in, 25.4 * 110mm/1 * 4.33in, 25.4 * 90mm/1 * 3.54in Color: matte black Material: Aluminum 6061 Weight: about 230g Usages: Used to adjust the height and angle of the handlebar Stem Angle:+/-40 degree adjustable Package Included: 1 x Bicycle Stem Riser Payment Payment 1 Payment method accepted: Paypal only.
julio 30, 2026

promax stem adjustable

The PROMAX adjustable stem is a high-quality bicycle component made of aluminum, designed for various bike types including city, hybrid, mountain, and road bikes. The quill stem type has a 25.4mm clamp diameter and steering tube diameter, with a length of 9 inches and a weight of 443 grams. This sleek black stem comes with a set that includes the stem itself, offering a comfortable and ergonomic ride for cyclists looking to upgrade their bike's performance.
julio 30, 2026

Specialized Adjustable Stem | 1-1/8″ Threadless | 85mm 25.4mm Clamp 12-20°

Fits 25.4mm handlebars, 1-1/8″ threadless steerer. 85mm length, adjustable approx. 12-20° range estimated. Includes stem body and adjustable insert piece. Aluminum construction, single-bolt clamp. An adjustable stem is a great way to dial in fit without buying multiple fixed-angle pieces — swap the insert and change your rise on the fly.
julio 29, 2026

carbon handlebar stem road bike carbon stem mountain bike long stem 6/17 degree

【Durable carbon handlebar stem】 Material: carbon fiber + aluminum alloy (the cap is a high-quality aluminum alloy); Appearance:3K glossy/3K matte/UD matte; Weight: approx. 120~180g; fork diameter: 28.6 mm (1-1/8"), handlebar diameter: 31.8 mm, angle: 6/17°. 【Several sizes available】road bike stem carbon length: 70/80/90/100/110/120/130mm, according to your own body shape characteristics, riding habits and matching to your own bike. Choose the right stem size, reduce pain in hands and Wrists.Reduce back strain. 【Advantages of different lengths】MTB stem carbon of different lengths: stem length 90mm, better stability, more suitable for high-speed riding. 【Easy to install carbon bicycle stem】 Connect the original bicycle fork, the four-screw rod clamp holds the rod firmly in position. Install the carbon road bike stem correctly. Please follow the specified tightening torque (4Nm); recommend using a hex wrench to tighten the screw. 【MTB stem installation tips】When assembling, please confirm that the handlebar diameter is 31.8mm. The center width needs to be confirmed in order to properly lock the product and install it manually with a hex wrench; make sure that the diameter of the front fork corresponds to the of the stem and that the size for; when installing, you can also apply carbon fiber mounting paste to the bike handlebar to ensure a tight fit.
julio 29, 2026

Ritchey Pro Threadless Stem 110mm /6° / 84° 4 Bolt Axis 5Nm Black, Blue, Silver

The Ritchey Pro Threadless Stem is a high-quality bicycle component known for its durability and performance. With a sleek black color and a 110mm length, this stem offers a 6° rise and 84° angle for optimal handling and control. Featuring a 4-bolt axis design with a 5Nm torque specification, the Ritchey Pro Stem is designed to provide a secure and stable attachment for your bike's handlebars. Perfect for cyclists looking to upgrade their ride with a trusted brand like Ritchey. Brand new in box. Shipped USPS mail.
julio 29, 2026

Cannondale Mountain Bike C4 5-7 Nm Bike Stem Black Aluminum Large Frame

This black aluminum stem is a perfect fit for your Cannondale bike. With a clamp diameter of 31.8 mm and a steerer tube diameter of 1 1/8 in, it is compatible with various bike types including road bike, cyclocross bike, racing bike, and mountain bike. The stem type is threadless and it comes with a set that includes the stem itself. The brand of this stem is Cannondale and it has a weight of 4 oz. It is made of high-quality aluminum material, making it durable and long-lasting. This stem is a great addition to your bike and will provide you with a comfortable and stable riding experience.