The Shimano BB30/PF30 73mm MTN BB is compatible with Shimano™ Hollowtech II MTN cranksets. The high-quality Enduro 2437 steel bearings are fully sealed and are a fantastic replacement BB for your Shimano™ drivetrain.
SPECIFICATIONS
PRODUCT
SHIMANO BB30/PF30 MTN BB
For use exclusively with Shimano™ Hollowtech II MTN cranksets in a 73mm BB30/PF30 MTN frame.
BUY IT IF :
You are installing a Shimano™ Hollowtech II MTN crankset in a 73mm wide BB30 or PF30 MTN frame.
TOOLS
This Shimano BB30/PF30 requires
TWO traditional 16-notch BB tools
along with a press tool/drift for installation.
Use any standard cup-style BB tool with 16 external notches and a 44mm ID.
SIZE
BB30 - 73mm MTN width x 42mm diameter
PF30 - 73mm MTN width x 46mm diameter (sleeve included for PF30)
BEARINGS
Enduro 2437 steel or ceramic cartridge
They are made specifically for use with Shimano Hollowtech II cranksets.
The ceramic version is rated grade 5 / ABEC 5.
24mm drive side bearing and 24mm non-drive side bearing
MFG
Forged and machined heat-treated alloy cups
AVG. WEIGHT
140g
NOTE
- Praxis clamp design
- Made exactly to Shimano MTN bearing specifications.
- This BB
cannot
be used for road cranksets.
- This BB
is NOT
compatible with proprietary Cannondale "BB30a" or "PF30a" frames.
- The frame shell must not have internal obstructions (like cable guides/screws) that would prevent BB installation.