Full Speed Ahead V-Drive Stem - 70mm 31.8 Clamp +/-6 1 1/8" Alloy Black MPFN-803-00-946 }Park Tool HCW-17 Fixed Gear

}Park Tool HCW-17 Fixed Gear Lockring Wrench

For both BB386EVO and BB392EVO PowerBox powermeter cranks

It has a design that delivers great power and feel

35 grams per grip (including open-end lock-on collar)

Full Speed Ahead V-Drive Stem - 70mm 31.8 Clamp +/-6 1 1/8" Alloy Black MPFN-803-00-946 }Park Tool HCW-17 Fixed GearFull Speed Ahead V Drive Stem 70 mm 31. 8 Clamp + 6 1 1 8" Alloy Black. The Full Speed Ahead V Drive Stem is 3D forged and crafted from CNC machined AL6061 T6 aluminum. 4 bolt cold forged alloy faceplate Chromoly hardware Bead blasted anodized black finish TECH SPECS Stem Angle (deg) +6 Stem Angle (deg) 6 Defined Color Black S. H. I. S. Stem Clamp Diameter 28. 6 Stack Height 40 Weight 139 Color Black Material Alloy Length 70 Bar Clamp Diameter (mm)