SALSA Alternator 2.0 Adjustable Plate - Left Non-driveside Thru Axle - 3807 rear-derailleur The B tension spring makes

The B tension spring makes a quick and easy wheel installation and removal possible while the cable adjuster and a high level surface treatment make maintenance easier

Race Face Ride

Traditional SRAM derailleurs work but not the 1x specific X-HORIZON rear derailleurs

Rear rack can be mounted to collar bosses when frame does not have braze-on mounts

SALSA Alternator 2.0 Adjustable Plate - Left Non-driveside Thru Axle - 3807 rear-derailleur The B tension spring makesAlternator 2. 0 Dropout Plate non drive side. Allows for 17mm of fore aft adjustment in the rear axle position Only compatible with Salsa frames originally sold with Alternator 2. 0 dropouts Compatible with frames featuring 142, 148, 177, or 197mm spacing Accommodates 12mm thru axle Non drive side plate only Designed for post mount brake