EXT Springs + WPS Adapters – Maximum Compatibility, Pro Performance
Pair your high-performance EXT 38 mm coil springs with WPS adapters and extenders to fit nearly any coil shock on the market, including RockShox, Fox, Öhlins, Cane Creek, DVO, and more.
EXT Springs: Lightweight, durable, race-proven performance with optimized linear rates.
WPS Adapters: CNC’d polymer reducers ensure a perfect fit to 35 mm or 36 mm shock seats.
WPS Extenders: Add preload range when springs are slightly short (ideal for RockShox Super Deluxe & Vivid).
Fit Guide:
• RockShox / MRP – Use 38 mm spacer
• Öhlins / Cane Creek / DVO – Use 36–38 mm adapters
• Fox / Marzocchi – Use 35–38 mm adapters
• Need more preload? Add a 21 mm or 28 mm extender.
Build your ideal coil setup, no compromises
