Birzman T47 Bottom Bracket Socket For SRAM DUB Trainers FRAME COLOR: MATTE BLACK

FRAME COLOR: MATTE BLACK

SCN-PP™ True Vision lenses provide you with precise color definition and contrast to enhance visibility for everyday use or your on-the-go adventure

they try to imagine that nearly everyone doesn’t understand how to maintain the parts of a bicycle

TF4630-3SP / TF4630-3SPA

Low mode 200 lumens： 15hrs

Birzman T47 Bottom Bracket Socket For SRAM DUB Trainers FRAME COLOR: MATTE BLACKDescription " Dr. socket, compatible with SRAM T47 DUB, or other 16 notch 52 54 mm external bearing bottom bracket cups such as those from C Bear, CeramicSpeed, Enduro, Kogel and White Industries. Specifications: Material : CNC machined hardened steel Size : 62 x 28 mm Sizing Information Size 62 x 28 mm Country of Origin Taiwan