Race Face AR 40 Offset 27.5" Rim 32h Gray Model=Headset Lowers The ATRA (Advanced Training Resistance

The ATRA (Advanced Training Resistance Aluminum) Speed Reducer has a machined aluminum bearing retainer for the best heat dissipation and strength

and ButterCups

RF has optimized flex for the alloy bar

With 1-bike Add-On capacity is up to 50 lb per tray

intense sessions

Race Face AR 40 Offset 27.5" Rim 32h Gray Model=Headset Lowers The ATRA (Advanced Training ResistanceAsymmetrical rim builds up with more balanced left right spoke tension Sleeved 6061 aluminum with 4. 5mm spoke hole offset Tubeless ready with strong tire retention bead Offset: 25mm 3mm, 30 35 40mm 4. 5mm Rim tape and valves are not included TECH SPECS model AR 40 Offset size 27. 5" internal external 40 44mm hole 32h ERD 554mm color gray weight 585g