Over 2,000,000 Million Customers Served!!!

Need Help? Click the Live Chat to Talk to a Gearhead 💪

Enjoy Free Shipping on Orders Over $75 – Available Within the Lower 48 States!

SKU: SM8994

Paul Components Boxcar Stem 90mm, 15 +/- Adjustable Angle, 31.8mm Clamp, Black Aluminum Aerospace Alloy, Lightweight and Stiff Bike Stem with High-Strength T25 Stainless Steel Screws for Road & Mountain Bikes

Regular price $148.73
$147.50 Sale price $148.73 Regular price
Sale Sold out
Unit price
/per 
  • Free Shipping Over $75
  • 30 Day Returns
  • Satisfaction Guaranteed!
Get 5% Off When You Buy 2!

$10 Gift Card

at 250 points

$25 Gift Card

at 500 points

$75 Gift Card

at 1,000 points

This is a pre order item. We will ship it when it comes in stock.

$10 Gift Card

at 250 points

$25 Gift Card

at 500 points

$75 Gift Card

at 1,000 points

Description
Specifications

Upgrade your bike's cockpit with the Paul Component Boxcar Stem - a premium, high-performance component designed for avid cyclists and serious riders. Crafted from 2024 aerospace-grade aluminum, this 90mm stem strikes the perfect balance between stiffness, strength, and lightweight efficiency, ensuring optimal control and responsiveness on every ride.

Constructed with precision engineering, the Boxcar Stem features an adjustable 15 angle, allowing for customizable handling and rider comfort. The sleek black anodized finish not only enhances durability but also adds a stylish, professional look to any bike setup. Its 31.8mm clamp diameter makes it compatible with a wide range of modern handlebars, providing a secure fit and consistent performance.

Performance and Technology:

- Made from 2024 aircraft alloy aluminum for exceptional strength-to-weight ratio

- Designed for high stiffness to improve power transfer and steering precision

- Features stainless steel T25 screws for reliable, high-strength fastening

- Adjustable angle (+15 /-15 ) to fine-tune handling and ergonomics

- Lightweight at just 172 grams, reducing overall bike weight without compromising durability

Style & Use Case:

Whether you're customizing your road, mountain, or gravel bike, the Paul Boxcar Stem offers a sleek, professional aesthetic with its matte black finish. Perfect for riders seeking enhanced bike control, increased comfort, and a lightweight profile, this stem is ideal for aggressive riding, long-distance adventures, or everyday cycling.

Innovative Features:

- Precision-machined from aerospace-grade aluminum for outstanding durability

- High-strength stainless steel hardware ensures long-lasting performance

- Versatile 15 adjustment provides tailored handling for various riding styles

Upgrade your bike's cockpit today with the Paul Component Boxcar Stem - engineered for performance, styled for riders who demand excellence. Designed to deliver reliable strength, controllability, and a sleek look, it's the perfect upgrade for serious cyclists who want to ride faster, safer, and more comfortably.

  • High-precision 90mm length aluminum bike stem crafted from durable 2024 aircraft-grade aluminum for optimal strength and lightweight performance.
  • Designed with an adjustable +/-15 degree angle, enabling personalized cockpit positioning for enhanced rider comfort and aerodynamic efficiency.
  • Features stainless steel high-strength screws with T25 hex head for secure, reliable clamping and easy installation, ensuring long-lasting durability under demanding cycling conditions.
  • Compatible with 31.8mm handlebars and featuring a 28.6mm S.H.I.S. clamp diameter, this stem offers seamless integration with a wide range of modern road and mountain bike setups.
  • Sleek black anodized finish combines style and performance, making the Paul Component Boxcar Stem the ideal choice for cyclists seeking a blend of innovative engineering, lightweight strength, and versatile use case.
Stem Angle (deg)+15
Stem Angle (deg)-15
Defined ColorBlack
S.H.I.S. Stem Clamp Diameter28.6
Stack Height36
Weight172
ColorBlack
MaterialAluminum
Length90
Bar Clamp Diameter (mm)31.8
Shipping
Returns
About Us
Contact Us

We pride ourselves on our ability to ship and deliver your gear with excessive speed! We ship from 22 locations throughout the United States and most orders will arrive in 3 days or less with Free Shipping on orders over $75!

The nitty gritty, for specific delivery timelines please pay attention to the delivery timelines on the product pages and the time frame estimated in the carts. If you need a part by a specific day, please contact us by chat, phone, or

Chat

Talk with a representative

Start Chat

Email

info@365cycles.com

Send Email

Phone

603-968-5797

Call Now

Most orders placed during the workweek before 1:00 PM Eastern time ship the same day, but during peak/holiday season or depending on inventory location handling time can take up to 48 hours. If you have questions regarding shipping estimates, don't hesitate to get in touch with us before placing the order. There is a direct signature requirement for all orders over $500.

We provide the you the ability to utilize multiple shipping & billing addresses, based upon what fits your current needs. However you are responsible to maintain and update any new address changes, as 365 Cycles will not be held liable for orders being shipped to an incorrect address.

  • Our Mistake: If we messed it up you can rest assured we are going to make it right. Contact us by email, phone, or chat and we will make your head spin with how quick we fix it
  • Warranty: We are an authorized retailer for everything we sell, so rest assured your product is covered under the manufacturer's warranty. Contact Us if you are having an issue and we will make sure you are taken care of
  • Just don't want it anymore: We have a 30-day return policy for orders within the US. We offer refunds on returned items that are brand new and in their undamaged, original packaging. Customers are responsible for the cost of return shipping. Damaged, installed, and used items as well as those without original packaging are not eligible for returns. If it's returned in this condition it may be denied and sent back to you

If you need to return your order please email us at info@365cycles.com, call us at 603-968-5797, or use the live chat on our site.

Chat

Talk with a representative

Start Chat

Email

info@365cycles.com

Send Email

Phone

603-968-5797

Call Now

*Please allow up to 3 business days for us to process your return*

365 Cycles puts the customer above everything. Our number one goal is your satisfaction. When you press the shift lever you want the gears to shift, and when you buy bicycle parts, you want the bicycle parts to arrive on time in new condition. With over 60,000 products and 22 warehouse locations throughout the country, we have the parts you need and they are coming in hot!

Living an active lifestyle is just that, a lifestyle that never goes away and our goal is to always exceed your expectations so we can take this lifelong journey together. We strive to have the parts you need, at competitive prices with unmatched shipping speeds!

If there is ever an issue with an order we will work at warp speed to fix our mistake and make sure you never go a day without a bicycle! If you are not receiving the quality of service you need from one of our exceptionally qualified bicycle experts, tell them Ben Berman told you to tell them "Customer Loyalty" and then name your terms.

Our team is waiting to help you 7 days a week and they are more qualified to help than I am but if you ever feel like you're not getting the service you need I’m personally asking you to email me at ben@365cycles.com with "CUSTOMER LOYALTY" in the title and I will personally handle your order.

Over the years we have served millions of satisfied customers and continue to serve many of them today. With your feedback, we are confident we can take this lifelong journey together and build a friendship that goes beyond parts and accessories.

“If you want to go fast, go alone, if you want to go far, go together.” -Someone Smart

Ben Berman Founder & CEO of 365 Cycles


Company Core Values: 

These were established by the members of our team and we use them every week to call out team members who have shined in one of these areas. Feel free to let us know at info@365cycles.com if someone you worked with has gone above and beyond in one of these areas. 

Customer Loyalty

Put yourself in their shoes and support those who support us.

You Control the Outcome

If it is to be, it’s up to me" You are personally responsible for controlling the outcome.

Seek Understanding

Understanding the answer is more important than the answer.

Progress Not Perfection

Pick a direction, analyze the results, and be willing to change course.

Will to Win

Customers, 365 Team, Partners, all need the will to win. Bring the Will to Win to every conversion.

Keep Moving

Move the body, move the mind, and remove any hurdles to achieving an active lifestyle.

Do the Right Thing:

Doing the right thing is more important than doing the thing right.

Stronger together:

If you want to go fast, go alone, if you want to go far, go together. Get your team involved and become stronger together.

Chat

Talk with a representative

Start Chat

Email

info@365cycles.com

Send Email

Phone

603-968-5797

Call Now

Customer Reviews

Be the first to write a review
0%
(0)
0%
(0)
0%
(0)
0%
(0)
0%
(0)