What is Shimano octalink?
Octalink Bottom Brackets. This system, designed by Shimano, was the first successful alternative to the older square taper. The Octalink system uses a larger and stiffer spindle with eight splines. The splines provide a greater contact area between crank and spindle for a stiffer interface.
Is octalink V1 and V2 compatible?
Note that Octalink V1 is not compatible with V2 and vice versa.
Can I replace octalink with hollowtech II?
No, you cannot, they are fundamentally different. Octalink uses a 3-piece crankset and Hollowtech 2 uses a 2-pice crankset.
Are all crank spindles the same length?
Spindle length varies depending on type of crank (road, Mountain, Triple, etc.). Two-piece system. Crank spindle is pressed into the drive side crank arm.
Is octalink better than hollowtech?
Hollowtech = Winner
In short, the advantages of Hollowtech bottom brackets over Octalink are: Lighter bottom bracket and cranks. Lighter, stiffer spindle. The same bottom bracket can be used on different bike types.
How do you remove a Shimano octalink crank?
How to Shimano Octilink and I.S.I.S. cranks and BBs – YouTube
Is hollowtech lighter than square taper?
Hollowtech bottom brackets are much lighter than square taper units. The weight of the two is compared in detail below. What is this? Hollowtech and other external bottom brackets are a lot lighter than square taper bottom brackets if we compare only the bare units.
Does crank spindle length matter?
The critical thing is your spindle length: as long as you can set up the correct chainline you will be good to go. But, again, best never to mix standards if you can at all avoid it. If you are looking to replace a cottered crank setup with a square taper setup, then look no further than a cartridge bottom bracket.
What spindle length do I need?
The best way to find out which spindle length you need is by looking up the specs. (The alternative is trial and error…) Spindle length and the resulting chainline have some leeway. If you are within 2-3 mm of the “correct” 43.5 mm or 45 mm, you are doing quite well.
Is octalink the same as hollowtech?
Octalink bottom brackets can offer solid performance, but they have far too many disadvantages when compared to Hollowtech and even square taper bottom brackets. In short, the advantages of Hollowtech bottom brackets over Octalink are: Lighter bottom bracket and cranks. Lighter, stiffer spindle.
Is octalink and Isis the same?
Is Isis the same thing or do I need to stick specifically with an Octalink BB? Octalink only. Isis is not the same thing. Also, some road Octalink stuff was not the same as other road and MTB Octalink stuff, so be careful when ordering a replacement.
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.
What crank length do the pros use?
Is Crank Length Important To Professional Cyclists? – YouTube
Is BB92 the same as PF92?
Trek is moving away from the BB90/95 system to what they call PF92, which is the same as a BB92 (41mm ID shell and 92mm width). Again, we recommend taking inner diameter and width measurements on the frame to determine exactly what standard the frame has.
Are all Shimano cranks 24mm?
For cranks, Shimano has always stuck to 24mm axles. SRAM produces 30mm and 24mm (called GXP) versions of their cranks, and most smaller brands focused on ultimate performance (THM for example but also RaceFace) only produce 30mm cranks.
How do I remove an octalink crank?
Square Taper or Octalink Crank Removal & Installation – YouTube
What is Isis drive crank?
ISIS Drive, the International Splined Interface Standard, is a non-proprietary splined specification for the interface between a bicycle crankset and the bottom bracket spindle. It was created by King Cycle Group, Truvativ, and Race Face. ISIS Drive is open source and free to the public to be used as seen fit.
What is Shimano hollowtech?
HOLLOWTECH technology is an ultra-lightweight hollow crankarm created by SHIMANO with the company’s own proprietary forging technology that also maintains rigidity.
Does 2.5 mm crank length make a difference?
Most experienced cyclists would consider a 5 or 10 mm difference in saddle height measured to the bottom of the pedal stroke to be a significant change, so they should not dismiss a 2.5 or 5 mm difference in crank length as being any less important because that makes a 5 or 10 mm difference in the saddle height when …
Should I go to 165mm cranks?
There is very little downside to shorter cranks, so if you find yourself on the cusp between two sizes, always go for the shorter length. 162.5 and 167.5mm are quite rare, so in both cases you may find your best option is to go with 165mm. * Assuming average leg length proportions for your height.
Is BB90 and BB92 the same?
They are one and the same bottom bracket. Well, BB86 refers to road bikes with their 86.5mm shell; BB92 refers to mountain bikes with their 91.5mm BB shells. BB90 is Trek’s proprietary standard and is the odd one out here. Like BB30, the bearings sit directly in the bottom bracket shell.
Can I fit a 68mm bottom bracket in a 73mm shell?
You could install it, but it will shift your chainline, shift the centerline of your feet, clearance issues might arise on the non-drive side, and you might be leaving some BB shell threads exposed on the non-drive side as well.
How do I know if my crankset is compatible?
In most cases three-and two-piece cranksets are compatible with the same bottom brackets so long as the axle is the same diameter. They are commonly used in conjunction with the mid-style bottom bracket standard. One-piece: This is where the axle and crank arms are a single piece of steel.
Is Isis the same as octalink?
How do I get rid of Isis drive?
How To Remove Splined Cranks (ISIS Drive/Octalink) With Standard …