The Thule 532 Ride On Adapter gives you the ability to carry up to two Thule roof mount bike carriers on your vehicle's factory crossbars. The 532 Ride On's universal mounting clamps will bolt around most factory installed crossbars, and the 32" bars will accept bike racks like the Thule 599XTR Big Mouth
or the Thule 598 Criterium
that are designed for use on Thule's rectangular load bar.
- Universal mounting hardware securely attaches directly to most factory racks
- Includes two 32" bars and four sets of mounting hardware
- Product instructions: PDF download (external link)