K2 Sports Men's Radical 100 Training 2012 Inline Skates (Black/Red/White) K2 Softboot , the original, delivers unmatched comfort with the best fit on the market 410 Longmount Frame is the fastest straight one hundred four-wheeled frame on the market. It features an aluminum alloy longmount frame that is heat-treated for increased stiffness. This sculpted cuff is designed to be low profile while utilizing ultra-light materials to hug the ankle. Experienced skaters will appreciate this minimalist design that allows technique to take over. Super-fast ILQ-9 Classic Plus Bearings. 100mm 85a Star Wheels for a super fast smooth role to get you to the finish line faster. Everyone knows how traditional lacing works and it's a proven winner. With traditional lacing, you can manipulate the laces to get pressure where you want.