Vision Armrest Stack Riser Kit For TFA TriMax TFE Aerobars Includes Spacer Bolts – BLK MFPN=K13-002-BLK While it’s optimized for tubeless MFPN=100-019-004 Ski Length:XL H380599-01 Square 1 4 reversible

Vision Armrest Stack Riser Kit For TFA TriMax TFE Aerobars Includes Spacer Bolts – BLK MFPN=K13 002 BLK While it’s optimized for tubeless MFPN=100 019 004 Ski Length:XL H380599 01 Square 1 4 reversible While it’s optimized for tubeless tires it also works with tubeless ready tires and tubes 162mm Q Factor Rings Sold Separately Number of Chainrings No Rings Included Drivetrain Speeds 12 Chainring BCD Direct Mount Chainline Hub Compatibility 141 148 Boost Hubs Color Gray Crank Length (mm) 175 Crank Intended Use Mountain BB Included No Pedal Spindle 9 16" Spindle Interface Type Shimano Hollowtech II Defined Color Gray