Profile Mid Bottom Bracket - 19mm & 22mm Rear Hub 4mm wall straight-gauge 4130 chromoly

4mm wall straight-gauge 4130 chromoly arms w/ concentric taper One-pieced forged & broached spindle boss w/ two tuck pin holes Drilled & machined 9/16-inch pedal boss w/ TIG-welded gusset Left-hand & right-hand drive compatible Hollow heat-treated 4130 chromoly 48-spline spindle Grade-8 center bolts & tuck pin hardware works w/ Spanish

KNURLED SURFACE

• Plastic snap closure

Width: 16

Material: 100% 4130 Cr-Mo

Profile Mid Bottom Bracket - 19mm & 22mm Rear Hub 4mm wall straight-gauge 4130 chromolyThe Profile Racing Mid Bottom Bracket Kit will keep your pedal strokes nice & smooth. Available in multiple colors to add some flare to your ride. Made in the U. S. A. Specifications: Type: Mid Bore: 19mm & 22mm Color: Black, Polished, Blue & Red Weight: 19mm: 165grams 5. 78oz 22mm: 155grams 5. 47oz Includes: 2 Bearings 1 Tube Spacer (46mm) 2 Color Anodized Cones 1 Tube Spacer (5mm) 1 Thick Spacer (1 8") 1 Thin Spacer (1 16")