Shimano Tiagra 105 RS500 4700 Road Bike BB Bottom Bracket British / English 68/70mm Thread BBR60 BSA Press Fit BB72 41B BB94 41A

Shimano Tiagra 105 RS500 4700 Road Bike Bottom Bracket British / English 68/70mm Thread BBR60 BSA Press Fit BB72-41B BB94-41A

Model: SM-BB72-41

Series: SHIMANO 105 R7000 series

Average weight: 69

Press-in bottom bracket width (mm)_86.5:X (SM-BB72-41B)

HOLLOWTECH II (second generation hollow technology) bottom bracket_press-in: 

Small ball bearing: 

SM-BB94-41A 89.5/92mm

SERIES: XTR M9100 Series
Average weight :58
Press-Fit bottom bracket shell width (mm)_89.5 :X (SM-BB94-41A)
Press-Fit bottom bracket shell width (mm)_92: X (SM-BB94-41A)
HOLLOWTECH II bottom bracket_Press-Fit type: 
Small ball bearing: 

BB-RS500 68/70 mm

SERIES: SHIMANO TIAGRA 4700 Series
Average weight: 92
HOLLOWTECH II bottom bracket_Threaded bottom bracket type: 
Threaded bottom bracket shell width (mm)_68: 
Threaded bottom bracket shell width (mm)_70: 

SHIMANO RS500-PB road bike BB

Weight: 75grams

BB-RS500-PB fits shells 86.5mm wide, 41mm internal diameter

Made in Malaysia

 

SM-BBR60 BSA 68-70mm

Ultegra BBR60 Hollowtech II Bottom Brackets

Reduced size for light weight

14g lighter and 50% less friction than BB670

Item Specifications

Size:68/70 mm

Weight:77

BB/Frame Interface: English

Spindle Interface Type :Hollowtech II

Package included:1pcs BBR60 BSA 68-70mm

Brand: Shimano

Model: SM-BBR60

Qty: 1pc ( same as the photo)

Weight: 77g

*BB/Frame Interface: Italian 36 *24T

*Spindle Interface Type: Hollowtech II

*BB Shell Width: 70mm Italian

 

SM-BB92-41B

SERIES DURA-ACE R9100 Series
Average weight 54
HOLLOWTECH II bottom bracket|Press-Fit type 
Press-Fit bottom bracket shell width (mm)|86.5 
Small ball bearing