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Which way does this ring go on the left crank of this Shimano Deore Hollowtech II external bottom bracket crank?

5 min read

Asked by: Lenny Ortiz

How do you install Shimano Hollowtech cranks?


Quote from video: Press down your little plastic piece there with the retainer pin. And then reverse the process of tightening the bolts there you just want to alternate back and forth.

How do you install a Shimano hollowtech 2 bottom bracket?

Quote from video: Place the required o rings on the spindle. Next apply lubricant to the thread in the frame of the bank. Slide the bottom bracket into the frame and thread it into place in a counterclockwise.

What side do bottom bracket spacers go on?

If you’re running a chain device with your Super Boost setup then you’ll need a 2.5mm spacer on the right-hand side of the bottom bracket and a 4.5mm spacer on left-hand side of the crank axle and a 6.5mm spacer on the right.

How do you install a Shimano bottom bracket?

Quote from video: The chain around the bottom bracket shell then push the drive side axle through the bottom bracket push. The non-drive side crank on to the axle perpendicular to the drive side crank push.

How do you install a left crank arm?

Quote from video: You can install your crank arm. Take your fixing bolt. Making sure to apply a liberal amount of grease to the threads. Now you can insert the bolt. And start to tighten it with an allen.

How do I change a left crank arm?

Quote from video: With the cap off pull the left crank off the spindle. Then tap the spindle loose with your hand if it needs some encouragement gently use a rubber mallet.

What is a hollowtech bottom bracket?

HOLLOWTECH technology is an ultra-lightweight hollow crankarm created by SHIMANO with the company’s own proprietary forging technology that also maintains rigidity.

How do you remove a Shimano hollowtech 2 bottom bracket?

Quote from video: Move the ring spanner to the right side. And start it moving clockwise. Keep going until the unit comes.

How do you install a bottom bracket?

Quote from video: The drive side. Use care to install the spindle straight and not to cross thread the bottom bracket. If it feels hard to turn or seems often anyway have a look at the opposite side here.

How do you use a bottom bracket spacer?

Quote from video: Set. Now if you're installing a mountain bike crank set onto a frame set with a 73 millimeter shell.

What are crank spacers for?

For all cranksets with a constant diameter spindle (30mm, 29mm DUB and 24mm), spindle spacers are used as needed to remove any side-to-side play of the crank, and to center the crank in the frame. For most installations, the included spacers will be enough to properly position the cranks in the BB.

Is a bottom bracket sleeve necessary?

It really depends on the design of your frame. If there is a hole in the BB shell where the seat tube is, it’s possible for water/moisture to get in the bottom bracket shell and cause problems with you bearings. Most carbon frames do not have any holes in the BB shell so it’s not needed.

How do you attach a crank arm to a bottom bracket?

Quote from video: You want to apply a move on to the spindle. And the inside of the crank arm. And seat it on to the spindle. Now take your crank bolts. And your wrench. And tighten them on repeat.

How do you change a Shimano crank arm?

Quote from video: Before you reinstall left crank arm. And maybe a plastic mallet or rubber mallet to tap. Out the cranks. If they're tight. And as with most jobs it is easier if you have a work sand.

How do you refit a crank?

Quote from video: Same again on the left hand. Side. Keep twisting and then finally need to grab a pedal spanner. And just tighten it up when you're doing this you can't grab on to the rear wheel. Just to tighten it.

What is the advantage of hollowtech?

Its outboard bottom bracket bearing system provides better weight distribution and more pedaling stability, allowing for more efficient power transfer. The HOLLOWTECH II crankset has been developed by pursuing the optimum balance of stiffness & rotating performance in a lightweight and beautiful crankset design.

How do you install a 2 piece crank?

Quote from video: You can give the drive side crank arm a light tap with a plastic mallet. Taking care not to damage the finish. Next you want to slide the non-drive side crank arm onto the spindle.

How do you remove a Shimano hollowtech crank?

Quote from video: You're gonna unscrew it and then you can put an actual 5 millimeter tool right here if that plastic cap is a little tight. You could even stick a screwdriver in one of these holes.

How do you change a Shimano crank arm?

Quote from video: Before you reinstall left crank arm. And maybe a plastic mallet or rubber mallet to tap. Out the cranks. If they're tight. And as with most jobs it is easier if you have a work sand.

How do you remove a hollowtech II crank?

Quote from video: Easiest way just to completely remove. Them. Pull that out. The side crank just comes straight off like that no need for a crank puller or anything like that okay we've removed the left side.

How do you put a crank back on a bike?

Quote from video: Take your 8 millimeter hex or allen. And screw it on making sure that you're not cross threading. The bolt. So when it's nice and snug. And you get the long arm part of the tool.