The Endless 80 mk2 Frame is a multi-setup frame designed for urban freeride skates like the Seba/FR Skates FR series and other 165 mm compatible skates. FeaturesMultiple setups: 4x80, 4x84, 3x100Natural Rocker for 4-wheel setupsFlat configuration for 3x100 setup (bullet profile wheels only recommended)Recommended for boot sizes 40 (260 mm foot length) and belowMounting: 150, 165 mm Notes on Adapt skates Endless frames are not optimally centeredNot compatible with UFS boots (including FR Skates UFR)For size 46 (US 12.5) and larger Twister Edge/XT models, boots may require modification to allow clearance for new 100 mm wheels in the 3x100 setupImportant NoteThe mirror finish on this frame can reveal fingerprints, tiny scratches, marks, and nicks. During normal handling and skating the frame may get scratched. Wiping dust and debris off of the frame can also put micro-scratches in the finish.Another Important NoteBrand new frames may have micro-scratches from normal handling during manufacturing. There is no warranty on the finish of this product.