Endless 90 ES MK2 Frame — a precision-machined "Enhanced Stability" 4x90 / 3x110 frame with a longer wheelbase, built for larger-footed skaters on 165mm freeride boots who want extra front-to-back stability. 150 / 165 / 180mm Mount. Standard raised-heel mounting for 165mm-compatible freeride boots. Recommended for boot sizes 42 (270mm foot length) and above — specifically sizes 44–48. NOT compatible with UFS boots (including FR Skates UFR). 6061-T6 CNC Aluminum. CNC-machined from 6061-T6 aluminum — 329 g per frame, with a longer wheelbase tuned for stability and control for large feet. Two setups, one frame. Balanced Rocker for the 4x90 setup; a flat 3x110 triskate configuration (bullet-profile wheels only). Frame specs: 291mm wheelbase · 150/165/180mm mount · setups 4x90 / 3x110 · Balanced Rocker (4-wheel) or Flat (3x110) · 329 g per frame (without axles and spacers). Brake compatibility: 4x90 — Powerslide Urban Brake L or Road Hog Speed Brake · 3x110 — Powerslide Megacruiser Brake (may require modification). Includes: 2 Frames · 8 Axles. Sold as a pair. Best for: Urban · Freeride (larger feet) Skill level: All levels Compatibility: 150 / 165 / 180mm raised-heel boots — NOT compatible with UFS or Powerslide Trinity. Some boots may need a washer between frame and boot for 110mm clearance in the 3x110 setup.