PNW Components Coast Stem


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When designing the Coast Stem, PNW had two main goals: construct it to compliment the Coast Drop Bar and develop it to satisfy the tech nerd in each of us. This stem is a shorty and that’s just what we want. The larger width of our Coast Drop Bar requires a shorter stem to achieve comfortable reach numbers.

If you run your current length stem with the Coast Drop Bar your arms will be stretched to the side and your body stretched forward—kinda like how Superman flies—not ideal for biking. The shorter stem, in tandem with a comfortable 7° rise, places your body in an ideal position for comfort while remaining aggressive.

And to make sure you don’t miss getting that footage, the Coast Stem includes a removable GoPro mount. So, you can easily record your gravel adventures or attach a light to escape into the night. Roll up to your next gravel escapade wide, short, and proud.

Sizing is a little challenging as there is no hard and fast rule that works for everyone. A good rule of thumb is for every 20mm wider bar you go drop 10mm on your stem. Again a lot of this comes down to personal preference, but this is a good starting point for sizing.

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Tech Specs:

  • 60, 70, 80, 90, 100mm lengths
  • 31.8 Clamp – Standard for road bikes and gravel grinders
  • 7° Rise – Ideal body position for comfort on long rides
  • Detachable Mount – Removable mount that pairs with GoPro or compatible light.
    (Check with light manufacturer for compatibility)
  • Weights: 60mm – 111g / 70mm -117g / 80mm – 123g / 90mm – 129g / 100mm – 136g
  • Fits 1-1/8″ steerer tube


Is there an option without the GoPro/light mount?

The short answer is no but the mount is easily removable if you don’t want to use it!

Can I use the Coast Stem for mountain biking?

Yep! It’s rated for mountain biking and is a great option for cross country bikes.

Which length is best for me?

Stem length is a heavily debated topic, and really comes down to personal preference. The key is to feel comfortable in the cockpit. If you are pairing this with the Coast Handlebar we recommend going down 10mm-20mm in stem length for every 20mm increase in bar width.


PNW Components

Additional information


60mm, 70mm, 80mm, 90mm, 100mm