SRAM DUB PressFit Bottom Bracket - BB121 121mm MTB Black Weight-725 look for the serial number

look for the serial number inside the battery door

so if not listed they are obsolete)

Damping RC3 Hydraulic Bottom Out Spring Type DebonAir+ Linear Damping Adjustments External rebound Electric control LS compression and 3 position compression (open/pedal/firm) Eye-To-Eye 210x55 Frame Compatibility Santa Cruz Hightower 2 3 2019+ Primary Color Black Body Eyelet Bearing Default Settings 0 Neg/2 Pos Token Reb55/Comp30 Lockout6 Spring Adjustments Air pressure Bottomless tokens Shaft Eyelet Standard

The all-new 38mm chassis is equipped with the DebonAir+ twin tube air spring that will have you thinking it’s a coil

5010 2013–present

SRAM DUB PressFit Bottom Bracket - BB121 121mm MTB Black Weight-725 look for the serial numberSRAM DUB PressFit Bottom Bracket BB121 121mm MTB Black. The SRAM DUB bottom bracket series has a simple job to connect crankarms and protect the smooth long lasting application of power to the drivetrain. SRAM engineered the oversized DUB spindle to work across every bottom bracket standard simplifying crankarm compatibility. Gutter Seal Technology drastically improves sealing against the elements Sealed cartridge bearings One oversized spindle to