ABEC 11 Biltin Bearings
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Reviews from 
They aren't the best bearings, but certainly not the worst. In all honesty, I would grab a set of Bones Reds over these any day.
These are terrific for begginers easy maintenence but get some bones or something if you know wut your doin
There awesome and awesomely easy to setup! thy them on there just plain awesomeness!
If your looking for a bearing that will last a while, that's easy to clean, smooth and fast. GET THESE BILTINS
good bearings, roll well, open race, just don't take them to the park
good
Description
Biltin precision longboard skateboard bearings are definitely built to last. They are Abec 7 Rated and each bearing has a spacer built right into them. The spacers extend slightly on the outside of the bearing so that you do not need speed rings either. Ride them for just one day and you will have totally broken them in. They seriously spin for ever. They are not constructed like a traditional longboard skateboard bearing. They have a more solid feel when pressed in a wheel because the are not built like a traditional spacer to bearing relationship. They are built opposite, spacer to spacer. There is an extremely tight feel between the bearings and the wheel. The energy between turns are absorbed by the wheel and not the bearing itself reducing impact and side load on the be bearing itself. Ultimately, you will have a bearing that will endure the demands of a downhill racer or any skateboard discipline.
We use Biltin precision longboard skateobard bearings for every type of longboard skateboard discipline. Sliding and drifting especially need a stronger bearing. We definitely trust that Biltin Precision Bearings will not explode while cornering. We have seen bearings seize and it's not pretty at high speed.
ABEC 11's Description
Biltin Bearings are the first precision bearing designed for skateboarding by World Champion Skateboarder, Chris Chaput. They make your life faster and easier by integrating washers and spacers into every bearing. There is no frustration caused by dropping the washer or spacer in the dirt, searching for it; then once found, trying to get it perfectly clean so grit doesn't get into the assembly. Your locknuts can be tightened snuggly without pinching or binding the bearings. They align themselves perfectly on the axle and in the wheel. As a result, your wheels spin faster and longer and with less vibration and friction. There is no rattle from misaligned bearings. Biltin's unique design helps to share the side loads more evenly for longer wheel and bearing life. Biltins make wheel swapping a breeze and are easier to clean
