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}TRP BB-M8020 PressFit 30 - PF30 83mm For 30mm Crank Spindle Black
Direct Mount Type Direct Mount CINCH Tooth Count 38 Drivetrain Speeds 9 Drivetrain Speeds 10 Drivetrain Speeds 11 Drivetrain Speeds 12 Defined Color Black Material Aluminum Ring Position/Type Chain Retaining Single Ring Round or Oval Round Chainline/Hub Compatibility 130 Hubs Chainline/Hub Compatibility 135/142 Road Disc Hubs > 415 mm Chainstay Chainline/Hub Compatibility 135/142 Road Disc Hubs < 415 mm Chainstay
They are also designed for a longer wear life
B17 is Brooks flagship model and has been on the market for over 100 years 1st appearing the 1898 catalog
Shimano BB-UN300 Bottom Bracket - English 73 x 118mm Spindle Square Taper JIS MFPN=VALAIS25-25 }TRP BB-M8020 PressFit 30 -Shimano BB UN300 Bottom Bracket English 73 x 118mm Spindle Square Taper JIS. Shimano BB UN300 Square Spindle Bottom BracketsFits JIS square taper cranksets Crankarm fixing bolts sold separately Hollow spindle TECH SPECS Defined Color Black Bottom Bracket Shell I. D. 1. 37 Spindle Length 118 Spindle Interface Type Square Taper JIS BB Shell Width (mm) 73 BB Frame Interface English
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