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or Cantilever brake caliper
The tread pattern is K-50
Featuring a true 20mm bolt-on hollow aluminum axle
Works with 1/8" or 3/32" chains
attach the extenders with the included hardware and thread the original posts back into the extender
BlackOps Brick Top Load BMX Stem - 55mm - Red 20t or Cantilever brake caliperThe BlackOps BrickTop stem is a classic style, top loading BMX stem with a 4 bolt handlebar clamp. It is CNC machined of AL6061 aluminum. Stack Height: 30 mmReach: 55 mmRise: 27. 5 mmColor: Red Anodized Note: This part was colored by anodizing, which is a method of coloring metal. Color differences do occur among manufacturers and even among batches from the same manufacturer. This is not a flaw or imperfection, but it is inherent to the anodizing
US$ 976.57
US$ 683.30
US$ 19.00