Shimano BB-UN300-K Bottom Bracket - English 68 x 127.5mm Spindle Square Taper JIS For Chain Case MFPN=K13-2600IC-BLK 5" Boost Tapered Aluminum Steerer

5" Boost Tapered Aluminum Steerer Diffusion Black A7 120mm

Misc Bearing Eyelet

Direct Mount Type Direct Mount CINCH Tooth Count 42 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 Oval Offset 3 Chainline/Hub Compatibility 130 Hubs Chainline/Hub Compatibility 135/142 Road Disc Hubs > 415 mm Chainstay

Brake Track None Color Black Defined Color Black Hub Drilling 28 ISO Diameter 622 / Road / 29" Manufacturer Spec ERD (mm) 601 Rim Center Offset (mm) 0 Rim Material Alloy Rim Width (Internal) 30 Tire Type Tubeless Ready Valve Presta Weight 590 Wheel Size 29"

kit front or rear caliper post mount 74mm rotor separate* color gold weight 335g

Shimano BB-UN300-K Bottom Bracket - English 68 x 127.5mm Spindle Square Taper JIS For Chain Case MFPN=K13-2600IC-BLK 5" Boost Tapered Aluminum SteererShimano BB UN300 K Bottom Bracket English 68 x 127. 5mm Spindle Square Taper JIS For Chain Case. 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 127. 5 Spindle Interface Type Square Taper JIS BB Shell Width (mm) 68 BB Frame Interface English