Hope eBike Speed Sensor Magnet - Speed Sensor Magnet - Black - 6 Bolt - R32mm netsuite-webdata-created while the Fortus 35 is

while the Fortus 35 is for Trail riders running plus-sized rubber

Materials: Braided stainless steel cables with double rubber coating

The X-Lock is a secure and reliable mounting feature integrated into the Standard GPS Mount and the Forward GPS Mount

Zero Loss Engagement for fastest shifting

Fits Presta / Schrader / Dunlop valves

Hope eBike Speed Sensor Magnet - Speed Sensor Magnet - Black - 6 Bolt - R32mm netsuite-webdata-created while the Fortus 35 is6 bolt mount Speed Sensor Magnet for eBikes. Available in two options R24mm & R32mm, use the document below to find out which one will fit your e bike. eBike Sensor Position Chart Features: 6 bolt rotors, Std or floating compatible Two sizes: R24mm & R32mm Available in Black, Silver, Blue, Red, Orange or Purple Comes with 2 bolts NOTE eBike manufacturers use a vast variety of magnets to interact with the sensor. These magnets can vary in size, shape