It's a little bit bigger but still easily fits into the palm of your hand and will sit unobtrusively in a jersey pocket or hydration pack until it's called upon to save the day

These bearings have 35-40% more load capacity than standard radial bearings

you can ride them all day long

With extra padding on the bottom of the foot

Highly versatile

Enduro MR 18307 18 x 30 x 7mm Bearing - Standard ABEC 3 Bearing PLP|Model Year It's a little bit biggerEnduro Standard Abec 3 are great replacement bearings for hubs, pedals, and bottom brackets. Grade 10 Chromium Steel Balls. In spec to 10 1. 000. 000 52100 High Carbon Chromium Alloy Races. What's the difference between ABEC 3 and ABEC 5? ABEC is an acronym for a committee that sets standards for bearings. Higher numbers mean higher tolerances (and price). For example, ABEC 3 balls are in tolerance to 10 1. 000. 000" vs. 5 1. 000. 000" found in the