Shimano BB-UN300 Bottom Bracket - English 73 x 123mm Spindle Square Taper JIS Range-10-42t }Full Speed Ahead ACB Bearing

}Full Speed Ahead ACB Bearing Micro 36x45 - 1

Chainline/Hub Compatibility 135/142 MTB Hubs Chainline/Hub Compatibility 157 Super Boost Hubs Defined Color Black Direct Mount Type Direct Mount SRAM Material Aluminum Offset 0 Ring Position/Type Chain Retaining Single Ring Round or Oval Oval Tooth Count 34

Either side can be used when installed in fore/aft pin positions of Vault pedals

5" Steel Black X-Large

Number of Tools 13 Misc Red/Orange Multi-Tool Weight 160g

Shimano BB-UN300 Bottom Bracket - English 73 x 123mm Spindle Square Taper JIS Range-10-42t }Full Speed Ahead ACB BearingShimano BB UN300 Bottom Bracket English 73 x 123mm Spindle Square Taper JIS. Shimano BB UN300 Square Spindle Bottom BracketsFits JIS square taper cranksets Crankarm fixing bolts sold separately Hollow spindle TECH SPECS BB Shell Width (mm) 73 BB Frame Interface English Bottom Bracket Shell I. D. 1. 37 Defined Color Black Spindle Interface Type Square Taper JIS Spindle Length 123