Shimano Ultegra BB72-41B Press-Fit Bottom Bracket MFPN=TW046 Cassette Cogs 10-12-14-16-18-21-24-28-32-38-44-52 Length 165

Cassette Cogs 10-12-14-16-18-21-24-28-32-38-44-52 Length 165 Rings 32

Tooth Count 30Drivetrain Speeds 9Drivetrain Speeds 10Drivetrain Speeds 11Drivetrain Speeds 12Round or Oval RoundOffset 3Material AluminumColor BlackDefined Color BlackDirect Mount Type Direct Mount SRAM 3-Bolt

} Disc Brake Caliper Assembly - (Assembled

}Magura MT8 SL Disc Brake and Lever - Front or Rear Hydraulic Post Mount Gray/Yellow

Color Black/Reflective Defined Color Black Designed for ebike Yes Flat Protection Tread ISO Diameter 349 / 16" Recumbent ISO Width (mm) 34 Labeled Size 16 x 1

Shimano Ultegra BB72-41B Press-Fit Bottom Bracket MFPN=TW046 Cassette Cogs 10-12-14-16-18-21-24-28-32-38-44-52 Length 165Shimano Ultegra BB72 41B Press Fit Bottom Bracket. Shimano Ultegra BB72 BBR60 Hollowtech II Bottom Brackets TECH SPECS Bottom Bracket Shell I. D. 41 BB Frame Interface BB86 BB Shell Width (mm) 86 Weight 69 Spindle Interface Type Shimano Hollowtech II Defined Color Black