Are these abec 9? I want them for my new long board.

Hi, Thank you for your interest with Bones Reds. ABEC ratings are not relevant in any skating application. Allow me to explain. ABEC is a scale for tolerances. The higher the ABEC number, the more precise the bearing is. At the onset, this sounds relevant. However, ABEC ratings are most useful when comparing bearings in a low load and very high RPM (revolutions per minute) environment. Skateboarding, scooters, and roller skates are high load, low RPM. Because of this and the exposure to dirt, water, etc makes ABEC ratings lose their relevance as soon as your wheels hit the ground. Frankly, skate companies have used ABEC scales just to create price tiers of products. While the bearing quality might be better at a higher ABEC rating, it is wrong to assume a higher ABEC rating means a better bearing. It is much more important to look at the brand reputation, the type of lubricant used, and the bearing shield style. These features will make a huge difference. Bones Reds are the #1 selling skateboard bearing on Amazon because they are excellent. Our store promises 100% satisfaction. We hope this helps. Please feel free to contact us with any other questions or concerns. Thanks,David

Will they work with 60mm wheels. Any size pack should I get?

Yes, these will fit 60mm wheels. If you are installing in a skateboard, they will work. If you are installing on skates, please check the axle size to make sure you need 8mm bearings. We're here to help! Please feel free to contact us with any other questions. Thanks, David -- Stoked Ride Shop 310-462-9991

what are the speed rings for?

Hi Isaac, Thank you for your interest with Bones Reds. The speed rings are little washers that go on either side of the wheel to make sure the bearing does not rub on the axle nut or truck. See here for more information: https://fireballskate.com/knowledge-base/install-and-remove-skateboard-bearingsPlease feel free to contact us with any other questions or concerns. Thanks, David

Do they work good on the street

Hi, Thank you for your interest in Bones Reds. Yes, these bearings were designed to work in skateboards on the street. Your 5-star satisfaction is our #1 priority. Please feel free to contact us with any other questions or concerns. Thanks, David

ASIN	B0798WGCB1
Bearing Number	8
Bearing Type	Ball Bearing
Bearing number	8
Best Sellers Rank	#29,791 in Sporting Goods ( See Top 100 in Sporting Goods ) #24 in Skateboard Bearings
Brand	Bones
Brand Name	Bones
Compatible Lubricant	Skate-rated lubricant
Customer Reviews	4.8 out of 5 stars 6,623 Reviews
Included Components	8 Pack of REDS bearings w/ (4) Spacers & (8) Washers
Item Dimensions	12.7 x 5.1 x 2.5 centimeters
Item Weight	0.18 Pounds
Item dimensions L x W x H	12.7 x 5.1 x 2.5 centimeters
Item weight	0.18 Pounds
Manufacturer	Bones Bearings
Material	Alloy Steel Nylon
Material Type	Alloy Steel Nylon
Specification Met	Skate Rated
Specification met	Skate Rated
UPC	714038116694 714038116700 714038117271
Unit Count	8 Count

Bones Reds Bearings 8 pk w/Spacers & Washers Bundle

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