Crank Arm Fixing Bolt For Most MTB Shimano HollowTech II Cranksets. 



Please check both the compatible & none compatible lists below before buying.
                                                    


 Please note: We are a genuine U.K. seller and ship from within the UK (Worcestershire)



M20 Pretension bolt for shimano Hollowtech II cranksets only.
 (Left arm only! with the exception of e8000, both arms) 


Available in 10 stunning anodised colours:

Red
Blue 
Pink

Green
Gold
Silver
Purple
Orange
Grey (Titanium grey)

Black

Please note: The colours published are true to the products, but different media displays may show colours differently.

(All in stock)




For the SHIMANO HTII models listed below:

Please Note: This product is NOT compatible with all XTR series cranksets amongst others due to some using a fixing bolt with a slightly smaller flange diameter.

Deore, XT, SLX, Saint & Zee (Mtb) Amongst others:

  • 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-M7000
  • FC-M8000
  • FC-e8000 eBike (Requires 2 x bolt)

  • XT FC-M8000 / FC-M785 / FC-M782 / FC-M780 / FC-M771 / FC-M770 / FC-M761 / FC-M760
  • SLX FC-M7000 / FC-M675 / FC-M672 / FC-M670 / FC-M677 / FC-M665 / FC-M660
  • ZEE FC-M645 / FC-M640
  • Deore FC-M612 / FC-M610 / FC-M615 / FC-M617 / FC-M591 / FC-M590
  • Trekking FC-T781 / FC-T780 / FC-T551 / FC-T8000
  • Saint FC-M800 / FC-M820 / FC-M825 
  • 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

PLEASE ENSURE THAT THIS IS THE CORRECT ITEM FOR YOUR BIKE BEFORE PURCHASING! (please message us if you are unsure or your crankset model is not listed)



This product is NOT compatible with the following:

  • Ultegra FC-6750 / FC-6703 / FC-6700 / FC-6800 (All Ultegra)
  • All Dura Ace models
  • 105 FC-5750 / FC-5703 / FC-5700 (All 105 models)
  • Tiagra FC-4650 / FC-4603 / FC-4600 (All Tiagra)
  • Sora FC-3550 / FC-3503 (All Sora)
  • Cyclocross FC-CX70 / FC-CX50
  • FC-R601 For Tandem (Front)
  • FC-R565 / FC-R563 / FC-R460 / FC-R350 / FC-RS500
  • Deore LX (All varieties)
  • Deore FC-T611
  • Alivio FC-T4060
  • Alfine FC-S501
  •  105 FC-5800
  • Shimano FC-4550-CG
  • Shimano Tiagra FC-4550
  • Shimano Tiagra FC-4503
  • Shimano Sora FC-3450
  • Shimano Sora FC-3403
  • Shimano FC-R600
  • Shimano FC-R553
  • Shimano FC-R550
  • Shimano Alfine FC-S500
  • Shimano Dura-Ace FC-7950
  • Shimano Ultegra FC-6650-S
  • Shimano Ultegra FC-6603-A
  • Shimano Ultegra FC-6603
  • Shimano Ultegra FC-6600-A
  • Shimano 105 FC-5650
  • Shimano 105 FC-5603
  • Shimano 105 FC-5600
  • Shimano FC-R700
  • Shimano FC-M600
If your model does not appear in either list above, please message us with your model details for further information. 



Please Note: This product is NOT compatible with XTR 980, 985 & 9000 series due to XTR using a fixing bolt with a slightly smaller flange diameter.



Super light at just 8.5g in weight and made from CNC'd 7075 Aluminium.
Fastens with a 10mm Hex / Allen key.


Thread Dimensions:

M20 Thread x 10.8mm deep

Overall dimension:

28mm x 14mm




Payment by paypal please.

Thank you for looking.

Any questions? Send us a message.....