28.99 Bottom Brackets

Alternatives to SRAM's Branded Products

Sram Dub Bottom Bracket R4129a

R4129A

➤ For I.D. 41mm & Width 89.5~92mm BB Shell
➤ For Spindle 28.99mm
➤ Internal Thread Fixing Structure
➤ Two Wrenches (TOOL-FR1224) Included

Sram Dub Bottom Bracket R4229a

R4229A

➤ For I.D. 42mm & Width 73mm BB Shell
➤ For Spindle 28.99mm
➤ Internal Thread Fixing Structure
➤ Two Wrenches (T30) Included

Sram Dub Bottom Bracket R4629a

R4629A

➤ For I.D. 46mm & Width 73mm BB Shell
➤ For Spindle 28.99mm
➤ Internal Thread Fixing Structure
➤ Two Wrenches (T30) Included

Sram Dub Bottom Bracket R4729a

R4729A

➤ For M47 x P1.0 & Width 68~73mm BB Shell
➤ For Spindle 28.99mm
➤ Wrench (T30) Included

28.99 Press Fit Bottom Bracket

P4129A

➤ Press-Fit System
➤ Available for BB Shell I.D. 41mm & Width 89.5~92mm
➤Alloy Adapters & Sleeve

alternative to sram dub bb p4229a

P4229A

➤ Press-Fit System
➤ Available for BB Shell I.D. 42mm & Width 73mm
➤Alloy Adapters & Sleeve

alternative to sram dub bb p4629a

P4629A

➤ Press-Fit System
➤ Available for BB Shell I.D. 46mm & Width 73mm
➤Alloy Adapters & Sleeve

bottom-bracket-28.99-P3729A

P3729A

➤ BSA System
➤ Available for 1.37″ x 24T BB Shell & Width 68~73mm
➤ Alloy Adapters & Sleeve

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