BOX Box Four Crankset with BB 165mm - Black MPFN-MTBM 1952 }Zipp SL Sprint Stem -

}Zipp SL Sprint Stem - 140mm 31

5Mfg Size SmallAssist Speed (Mph) 20Walk Assist YesPlatform NotchWheel Size 29"Defined Color Silver

}Wolf Tooth Elliptical Direct Mount Chainring - 38t SRAM Direct Mount Drop-Stop B For SRAM 8-Bolt Cranksets 6mm Offset Black

Over Locknut (mm) 100 Color Black Thread Pitch 1

BOX Box Four Crankset with BB 165mm - Black MPFN-MTBM 1952 }Zipp SL Sprint Stem -Cold Forged Construction 4 bolt 104 BCD Spider 24mm CrMo spindle 6061 T 6 Aluminum External 68mm BSA BB Included Dual pinch bolts for even clamping force Laser etched graphics 3rd party web sales must be an Authorized Dealer TECH SPECS model Box Four length 165mm direct mount BCD 4x104mm spindle interface 24mm (BSA BB included) material aluminum color black