Optis Tubeless Tire Insert - 29" x 28-40mm Insert Only Size-1.5-1.8mm 1 RC2 W/ButterCups Axle/Hub spacing Color:BLKOUT 210000139436 MFPN=ODS-403-BK ProTite is a proprietary

Optis Tubeless Tire Insert 29" x 28 40mm Insert Only Size 1.5 1.8mm 1 RC2 W ButterCups Axle Hub spacing Color:BLKOUT 210000139436 MFPN=ODS 403 BK ProTite is a proprietary 1 RC2 W ButterCups Axle Hub spacing 15x110mm TA Rake 44mm Brake Type Disc Crown Material Aluminum Spring Adjustments Air pressure Bottomless tokens Spring Type DebonAir+ W ButterCups Stanchions Diameter 38mm Stanchions Material Aluminum Damping Adjustments External begin stroke rebound low speed compression high speed compression e Bike approved Yes Steerer Tube 1 1 8 1 Large diameter roller reduces the articulation angle of the chain which yields better efficiency and feel than typical small guide pulleys