The Fantom AM40 is for the trail and enduro riders. Designed to be lightweight and fast-rolling with a 35mm external/30mm internal width for the perfect balance of speed and control. Funn Fantom wheelsets are the complete package, pairing Funn Fantom hubs and rims to create a lightweight, tough and fast wheel for everything from downhill to trail to gravel. Our wheels are available in 27.5" and 29". The Fantom hub is precision-engineered from AL6061 with a quick-engagement 6 pawl and 102T design. The Fantom rim is a bombproof and lightweight design, made from welded AL6066 with a sandblasted black anodised finish. Fantom wheels are tubeless-ready and come supplied with tubeless rim tape and valves. Available sizes 27.5" 29" Weight 2075g (Boost) 2145g (Boost) Spoke count Front 32H Rear 32H Front 32H Rear 32H Funn Fantom Rim Valve standards Presta Axle standard front 15x110mm Axle standard rear 12x148mm Rim width external 40mm Rim width internal 35mm Rim depth 23mm Rim eyelet No Rim material Welded 6066 Alloy Finish Sandblasted Anodized Black ETRTO 27.5" / 584x35 29" / 622x35 ERD 557mm 594mm Funn Fantom Hub Engagement Fantom 102T quick engagement Cassette body Shimano HG / SRAM XD / Shimano Microspline Hub body 6061 Alloy Compatibility Cassette body is convertible between Shimano and SRAM standards Spokes Butting Double-butted Spoke count 32h each wheel Nipple Brass