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Box One Bottom Bracket Square-Taper Titanium/Carbon

MSRP: USD $‎139.99
USD $‎139.99
SKU: BX-BB13TI
MSRP: USD $‎139.99
USD $‎139.99

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With precision sealed bearings and cold-forged, aluminum CNC machined cups, Box One™ Titanium Square Taper bottom brackets are the best option for young BMX racers and other users of three piece cranks in search of performance gains and weight savings. They have hollow, custom titanium-nitride coated titanium spindles and carbon fiber center seals, helping keep the weight down between 185 and 190 grams (well below that of other square taper bottom brackets on the market). Other features include cups that are anodized black with anodized gold inner seals, and a JIS tapered spindle that comes in either 108 or 113 millimeters.

Spindle TypeJIS
Spindle MaterialTitanium
Spindle Length108mm or 113mm
Shell Width68mm
Thread1.37" x 24 TPI
Weight [108]185 grams / 6.5 ounces
Weight [113]190 grams / 6.7 ounces
BBBOX ONE M35BOX ONE M30-MBOX TWO M30-PBOX THREEBOX FOUR
Box One Titanium SQT
Extremum RacePrep
Box Two M35
Box Two M30
Box Two External
Box Two SQT
Box Three SQT

The following tools can be used to install/remove this bottom bracket:

  • Park Tools BBT-22
  • Park Tools BBT-32
  • Pedro's Splined Bottom Bracket Socket