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Home / Cornerstone

Cornerstone

Cornerstone

Black

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SBG-802-BK

Cornerstone

$9.99 /

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Cornerstone Grip features a ribbed design with Cornerstone logo.

Includes Odyssey Par Ends

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★ Reviews

Let customers speak for us

86%

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(35)

S

S-Works Prevail 3

Stephen kellner

Great price on an excellent helmet.

I've had a Prevail-2 for a number of years and liked it because it is cool and light. Un fortunately. I had a sliding crash a few weeks ago which cracked my helmet ( but not my head!) So I needed to replace it. Since I liked the Prevail 2, I figured the Prevail-3 was the logical choice. I found this helmet on sale in my preferred red at a great price and ordered it. Order was executed smoothly and helmet showed up about a week later. Very happy with it

t

tom hunsberger

gator skin tire

I have had gatorskin tires for several years. They are by far the best tire.

J

Roval Control SL VI 350

Josh Gaube

Great wheels

Nice and light but plenty stiff. Great for all around riding on my Epic Evo.

P

Specialized Turbo Levo SL Range Extender Battery Cable - 160mm

Pericles Filho

Delivery not done! Didn't receive my purchase.

The product was delivered as stated!

N

S-Works Prevail 3

Nabeel Shahin

Perfect Helmet.

from the color to the style and the fit! Perfect!

1 2 3

Nabeel Shahin

Perfect Helmet.

from the color to the style and the fit! Perfect!

S-Works Prevail 3

Mike

S Works Prevail 3 Fits Like a Glove

The S-Works Prevail 3 is one of the most comfortable bike helmets I’ve worn. The fit system adjusts perfectly, and once I ratchet the MIPS cradle to my head, the helmet almost disappears — it conforms so well that I barely notice I’m wearing it.

Ventilation is excellent. Riding in moderate weather around the mid-70s, my head stayed cool and comfortable without overheating. The airflow design really works.

Thankfully, I haven’t had to test the helmet in a crash, and I hope I never do. But the build quality and design give me a lot of confidence in the protection it offers. Highly recommended.

S-Works Prevail 3

JDLPHL

Amazing frameset - shipped fast - great pricing

Very impressed by the whole experience with Sierra Bicycle Supply! The frameset was just as shown - brand new and gorgeous. It shipped fast with tracking info. Great pricing on the frameset and I picked up other stuff for my build. Great overall experience - highly recommended!!

Tarmac SL8 Frameset

James Welch

Sick bike!

Amazing bike at super price. Free shipping. Highly recommend buying from these guys.

P.3

Edb2026

Really is a Bike Computer / display brighter than s25 Ultra

Here is how I am using it.
- Customizable displays for ...
- Heart Rate Sensor
- Garmin Pedal Power Meters
- Lights control
- Cadence Sensor
- Speed Sensor
- DOES NOT WORK WITH SAMSUNG WATCH 8 CLASSIC
- Records Route Creation but need to be careful with saving rides as not doing two rides back to back = lost
- does not come with a one hundred twenty page manual.But I was able to find a pdf file online

Edge 1050 GPS Cycling Computer