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Tacx Flux S Smart vs Van Rysel D500

Quick answer

Both the Tacx Flux S Smart and the Van Rysel D500 are direct-drive trainers that accept the common road and MTB axles. The Tacx Flux S Smart (1500 W, ±3%, $749) offers Shimano/SRAM HG (HyperGlide), SRAM XD Driver Body, SRAM XDR Driver Body, Campagnolo and Shimano Micro Spline; the Van Rysel D500 (1500 W, ±2.5%, $499) offers Zwift Cog (virtual shifting) and Shimano/SRAM HG (HyperGlide). Use the checker below to see which fits your exact bike.

Specs side by side

Tacx Flux S SmartVan Rysel D500
Drive typeDirect driveDirect drive
Factory model codeT2900S—
Axle standards130 mm quick-release, 135 mm quick-release, 12 × 142 mm thru-axle and 12 × 148 mm Boost thru-axle130 mm quick-release, 135 mm quick-release, 12 × 142 mm thru-axle and 12 × 148 mm Boost thru-axle
Thru-axle adapter130 mm quick-release and 135 mm quick-release in the box · 12 × 142 mm and 12 × 148 mm Boost separatelyIncluded
Freehub (in box)Shimano/SRAM HG (HyperGlide)Zwift Cog (virtual shifting)
Freehub optionsShimano/SRAM HG (HyperGlide), SRAM XD Driver Body, SRAM XDR Driver Body, Campagnolo and Shimano Micro SplineZwift Cog (virtual shifting) and Shimano/SRAM HG (HyperGlide)
CassetteSold separatelySold separately
Max cassette speed12-speed12-speed
Virtual shiftingNoYes
ProtocolsANT+, ANT+ FE-C, BluetoothANT+, ANT+ FE-C, Bluetooth
Power accuracy±3%±2.5%
Max power1500 W1500 W
Max gradient10%15%
Flywheel6.7 kg4.7 kg
MSRP$749$499
StatusCurrentCurrent

Which fits your bike — Tacx Flux S Smart or Van Rysel D500?

29Drops straight in3Fits with parts1Not supported

Frequently asked questions

Both accept the same common road and MTB axles, so the deciding factor is the freehub for your cassette: the Tacx Flux S Smart offers Shimano/SRAM HG (HyperGlide), SRAM XD Driver Body, SRAM XDR Driver Body, Campagnolo and Shimano Micro Spline, while the Van Rysel D500 offers Zwift Cog (virtual shifting) and Shimano/SRAM HG (HyperGlide). Run your drivetrain through the checker to see which is a clean drop-in.