About this item

• The 688 mini roller skate bearing features a highly polished track surface and precise balls. The plastic cages are lightweight, contributing to reduced rolling resistance.
• The mini roller skate bearing saves 12 grams per bearing and a whopping 192 grams (6.8oz) on a set of skates. That is a pretty huge weight saving. The mini bearings also spool up faster than 608 bearings getting you up to speed sooner for greater acceleration
• Standard 60mm diameter by 38mm wide with 92A hardness. Comes in a set of 8 with 688 bearings
• The Bont FX1 wheel is great for roller derby or indoor rink skating. It is one of the only wheels on the market that uses the smaller 688 or 167 bearings rather than the traditional 608 skate bearing.
• The Bont FX1 roller skate wheel is an ultra-lightweight, ultra-high-performance roller skate wheel. With super high rebound urethane combined with a unique mini bearing hub for fast acceleration and quick laterals