28.99 BOTTOM BRACKETS
Alternatives to SRAM's Branded Products
Thread-Fit
Internal Thread Fixing Structure

R4129A
➤ For I.D. 41mm & Width 89.5~92mm BB Shell
➤ For Spindle 28.99mm
➤ Internal Thread Fixing Structure
➤ Two Wrenches (TOOL-FR1224) Included
➤ For Spindle 28.99mm
➤ Internal Thread Fixing Structure
➤ Two Wrenches (TOOL-FR1224) Included

R4229A
➤ For I.D. 42mm & Width 73mm BB Shell
➤ For Spindle 28.99mm
➤ Internal Thread Fixing Structure
➤ Two Wrenches (T30) Included
➤ For Spindle 28.99mm
➤ Internal Thread Fixing Structure
➤ Two Wrenches (T30) Included

R4629A
➤ For I.D. 46mm & Width 73mm BB Shell
➤ For Spindle 28.99mm
➤ Internal Thread Fixing Structure
➤ Two Wrenches (T30) Included
➤ For Spindle 28.99mm
➤ Internal Thread Fixing Structure
➤ Two Wrenches (T30) Included
Threaded

P3729A
➤ BSA System
➤ Available for 1.37″ x 24T BB Shell & Width 68~73mm
➤ Alloy Adapters & Sleeve
➤ Wrench (Tool-FR1224) Included
➤ Available for 1.37″ x 24T BB Shell & Width 68~73mm
➤ Alloy Adapters & Sleeve
➤ Wrench (Tool-FR1224) Included

R4729A
➤ For M47 x P1.0 & Width 68~73mm BB Shell
➤ For Spindle 28.99mm
➤ Wrench (T30) Included
➤ For Spindle 28.99mm
➤ Wrench (T30) Included
Press-Fit

P4129A
➤ Press-Fit System
➤ Available for BB Shell I.D. 41mm & Width 89.5~92mm
➤ Steel Adapters & Alloy Sleeve
➤ Available for BB Shell I.D. 41mm & Width 89.5~92mm
➤ Steel Adapters & Alloy Sleeve

P4229A
➤ Press-Fit System
➤ Available for BB Shell I.D. 42mm & Width 73mm
➤Alloy Adapters & Sleeve
➤ Available for BB Shell I.D. 42mm & Width 73mm
➤Alloy Adapters & Sleeve

P4629A
➤ Press-Fit System
➤ Available for BB Shell I.D. 46mm & Width 73mm
➤Alloy Adapters & Sleeve
➤ Available for BB Shell I.D. 46mm & Width 73mm
➤Alloy Adapters & Sleeve