Item number:
BT-9521
Pre-tension Bolt for Shimano Hollowtech II Cranks and Shimano E-bike motors.
Simplify things with an 8mm fitting and add a splash of your favourite anodised colour. Never worry about turning the garage upside down at midnight to find that little ‘thingy’ to pre tension your cranks ever again.
Remember this product needs minimal torque and do not exceed the manufacturers maximum recommended torque 0.7 to 1.5Nm.
Suits: XTR, XT, SLX, LX, Deore, Saint & Zee cranks and bikes with a Shimano e-bike motor.
Please see the tab specs for compatibility.
Compatibility:
Saint FC-M800 / FC-M820 / FC-M825
XTR FC-M9000 / FC-M985
XT FC-M8100 / FC-M8000 / FC-M785 / FC-M782 / FC-M780 / FC-M771 / FC-M770 / FC-M761 / FC-M760
SLX M7100 / FC-MT610 /FC-M7000 / FC-M675 / FC-M672 / FC-M670 / FC-M677 / FC-M665 / FC-M660
Deore M6100 / FC-MT510 / FC-MT511/512 / FC-M612 / FC-M610 / FC-M615 / FC-M617 / FC-M591 / FC-M590
ZEE FC-M645 / FC-M640
LX FC-M583 / FC-M582
EBike M8000 / M8050
Trekking FC-T781 / FC-T780 / FC-T551 / FC-T8000
FC-M532
FC-M542
FC-M545
FC-M552
FC-M590
FC-M596
FC-M591
FC-M610
FC-M617
FC-M660
FC-M665
FC-M770
FC-M771
FC-M780
FC-M785
FC-M6000
FC-M6100
FC-M7000
FC-M7100
FC-M8000
FC-E8000 (EBike)
FC-M9000
FC-M622 / FC-M625 / FC-M627 / FC-M552 / FC-M545 / FC-M543 / FC-M542 / FC-M533 / FC-M532 / FC-M4060 / FC-M4050
FC-MT500-3 / FC-MT700-2
🇸🇪 Sweden
Free shipping on orders over SEK 900.
Other orders: SEK 69.
Free and easy returns with QR code.
🇩🇰 Denmark
Shipping: DKK 99
Returns: DKK 99.
🇫🇮 Finland
Shipping: EUR 14.99
Returns: EUR 14.99.
🇪🇺 Remaining Europe
Shipping: See checkout for exact price or look at this table.
Returns: Customers are responsible for the return cost and choose their own preferred shipping carrier with tracking.
We have 14 days open purchase.
Read more about returns & refunds here.