Contact Modern Bike via email, telephone, or showroom visit.
learn more
You may check the order status of a recent purchase to learn if it has been delayed, when it may ship, or if it has already been shipped.
check order status
Your Shopping Cart contains 0 products. View your cart to change product quantities, apply deal codes, or checkout.
Showing 498 products:
Promax Impact 48mm Top Load Stem for 31.8mm Bars Blue 
BuyPART NUM 962130
The new 31.8 Impact stem has a 45-degree top-load design for BMX racing and freestyle. Available in 48-, 53- and 60-millimeter extensions, the stems … read more
Ships Freeyour price $50.00 + ships free
BuyPART NUM 962130 
Promax Banger 53mm Front Load Stem for 31.8mm Bars Silver BuyPART NUM 386167
Promax Stems Uses M6 bolts Item Specifications Bar Clamp Diameter (mm): 31.8 Color: Silver Reach: 53 Steerer Clamp Diameter: 1-1/8" … read more
your price $49.99 + ships free
BuyPART NUM 386167 
Promax Impact BMX Stem - 53mm, Top Load, Black BuyPART NUM 740438
The Impact is a top-load BMX stem, cold forged from the highest quality 6061-T6 aluminum then CNC machined to refine the shape and further reduce weight. … read more
your price $49.99 + ships free
BuyPART NUM 740438 
Box One Top Load Stem, 53mm x 31.8mm x 28.6mm, Red BuyPART NUM 576594
45 degree top loading design with a 31.8mm clamp for use with any standard MTB bar and over sized BMX bars Constructed from 6061-T6 aluminum … read more
your price $69.99 + ships free
BuyPART NUM 576594 
Box One Top Load Stem, 53mm x 31.8mm x 28.6mm, Blue BuyPART NUM 742140
45 degree top loading design with a 31.8mm clamp for use with any standard MTB bar and over sized BMX bars Constructed from 6061-T6 aluminum … read more
your price $69.99 + ships free
BuyPART NUM 742140 
Promax Banger 48mm Front Load Stem for 31.8mm Bars Silver BuyPART NUM 786668
Promax Stems Uses M6 bolts Item Specifications Bar Clamp Diameter (mm): 31.8 Color: Silver Reach: 48 Steerer Clamp Diameter: 1-1/8" … read more
your price $49.99 + ships free
BuyPART NUM 786668 
Box One Front Load Stem, 53mm x 31.8mm x 28.6, Silver BuyPART NUM 833510
Traditional front loading style BMX stems with a 31.8mm clamp, compatible with MTB and oversized BMX handlebars Constructed from 6061-T6 … read more
your price $69.99 + ships free
BuyPART NUM 833510 
Promax Impact 60mm Top Load Stem +/- 0 Degree Black BuyPART NUM 734831
The Impact is a top-load BMX stem, cold forged from the highest quality 6061-T6 aluminum then CNC machined to refine the shape and further reduce … read more
In Storeyour price $49.99 + ships free
BuyPART NUM 734831
Promax Impact BMX Stem - 60mm, Top Load, Black BuyPART NUM 680750
The Impact is a top-load BMX stem, cold forged from the highest quality 6061-T6 aluminum then CNC machined to refine the shape and further reduce weight. … read more
your price $49.99 + ships free
BuyPART NUM 680750 
Promax Impact BMX Stem - 48mm, Top Load, Black BuyPART NUM 358734
The Impact is a top-load BMX stem, cold forged from the highest quality 6061-T6 aluminum then CNC machined to refine the shape and further reduce weight. … read more
your price $49.99 + ships free
BuyPART NUM 358734
Promax Impact BMX Stem - 48mm, Top Load, Black BuyPART NUM 207434
The Impact is a top-load BMX stem, cold forged from the highest quality 6061-T6 aluminum then CNC machined to refine the shape and further reduce weight. … read more
your price $49.99 + ships free
BuyPART NUM 207434 
Promax Impact Mini BMX Stem - 45mm, Top Load, Black BuyPART NUM 229265
Promax Impact Mini Stem is cold-forged and CNC machined from 6061-T6 aluminum alloy. Bar Clamp Diameter (mm): 22.2 Color: Black Defined Color: Black … read more
your price $49.99 + ships free
BuyPART NUM 229265
Promax Impact Mini 45mm Top Load Stem 1" Blue BuyPART NUM 403864
Item Specifications Color: Blue Reach: 45 Stem Type: Top Load … read more
your price $42.00 + ships free
BuyPART NUM 403864
Thomson is leading with innovative design for two primary markets - aerospace and cycling.
"We move forward with a desire to deliver the best possible components to our customers and a determined spirit of competition."
"Ritchey bicycle components have been raced to victory in some of the biggest cycling competitions in the world including the UCI World Championships, the Tour de France and the Olympics and it all began in a simple garage in Menlo Park, California with Tom Ritchey.'
"CatEye is the leading manufacturer of cycle computers, lights and reflectors to cyclists in the world. Founded in 1954 in Osaka, Japan, CatEye has always been a leader in innovation and technology."
"Incremental enhancements. Perpetual improvements. Revolutionary Innovation. When advancements are continuously made to every attribute of every component, the result is overall performance that is simply second to none. And to real cycling enthusiasts, there is nothing more gratifying then achieving the ultimate ride. And the best part is we just keep making it better. This is what SRAM is all about."
"Planet Bike was born from the heart of a cyclist and our goal is to make innovative, high quality, and practical bicycle accessories. Simply put, we strive to design and develop the best bicycle products in the world."
Surly is a leading manufacturer of bicycle frames, and was one of the first Fat Bike manufacturers.
"Shimano practices good local citizenship, pursues continued access to those areas that are enjoyed by outdoor enthusiasts, and is committed to minimizing our impact on the environment."
Dimension makes quality components to repair or custom-fit the vast majority of bikes being ridden today, and provide the accessories that make them fun to ride.
"The world's best choose Cane Creek. A key element of Cane Creek's mission is to support the sport of cycling, including racing, charitable activities and cycling advocacy. Cane Creek believes strongly in the power of bicycles and their potential to effect positive change in our society. To that end, Cane Creek supports athletes and teams whose purpose encompasses more than competitive racing, such as getting more people on bikes, improving or promoting a healthy lifestyle, and making our world better through the use of a bike."
"Whisky Parts Co. makes high quality carbon components designed with unique features that help you do more with your bike and stand out from the rest. We believe that our work can help every rider find a new level of confidence and performance with our sturdy and lightweight forks, bars, rims and more. So whether you are building a new bike or upgrading one you already have, you'll find an uncommon attention to detail in every product we offer."
"ORTLIEB products are characterized by tightly sealed closure systems such as roll closures, waterproof zippers, Velcro closure or sliding seal closures. "
We define color as the main color of the item. It may have accents or highlights in other colors.
These models are available for online purchasing and can be shipped directly to you.
Bar clamp diameter is the diamater of the handlebar.
Stem length is measured from the center of one clamp to the center of the other clamp. This measurement is sometimes known as the reach or extension.
S.H.I.S clamp diameter is the steerer tube diameter.
Stem Type
Stem angles are measured perpendicular to the clamp. For example, a 90 degree stem is straight. Sometimes, this may also be refered to as a 0 degree stem. If two measurements are listed, the stem can be flipped for angling up or down.
Our Lowest Price - This product is ineligible for additional discounts or rebates.
In Store products are available to view in our showroom. In Store orders usually ship the same or next business day.
Buy this product and your entire order ships for free.
Some orders are inelligible for delivery discounts. See offer details for disqualifying products and destinations.