Old Man Mountain Rear Fit Kit SET125 M12x1.25 Model=40-Series ZS - Zero Stack Headset Pair with the full Wahoo

Pair with the full Wahoo Ecosystem of smart devices to track analyze and share your breakthrough gains

backward for more glide or to the “0” position for the best of both worlds

Model Ratchet EXP Description 54 Step Ratchet EXP Kit

Model Boxcar Steerer Dia

Stem Material Aluminum Steerer Tube 1-1/8 Stem Length 40mm Handlebar Diameter 22

Old Man Mountain Rear Fit Kit SET125 M12x1.25 Model=40-Series ZS - Zero Stack Headset Pair with the full WahooComes with stainless nuts, frame pucks and hardware Designed, tested and made in Bend, Oregon Model Fit Kit Description 12mm Rear Axle Mount Kit Axle Length (mm) Thread Pitch M12x1. 25 Color Silver Axle Size 12Mm