中轴

中轴

In the 中轴 shop you find 128 different 中轴 in total for bargain prices with worldwide shipping
  • Chris King
  • Dartmoor
  • DMR
  • e.thirteen
  • FSA
  • Hope
  • MVTE
  • Octane One
  • Race Face
  • Reset
  • ROTOR
  • Salt
  • Santa Cruz
  • Shimano
  • Sixpack
  • SKF
  • Surly
  • THM-Carbones
  • Truvativ
  • Tune

About 中轴

The inner bearing is one of the central elements of every bicyle. This bearing assimilates the cranks and looks back at a long development. The result is a multiplicity of different „standards“ which create a lot of confusion today.

Before you buy an inner bearing you have to pay attention to this two points:

  1. the bearing has to fit in the frame
  2. the bearing has to fit to the crank

Connection with the frame
Depending on the frame there are seceral types of inner bearings. Thereby you can roughly seperate between the ones that must be screwed in and the ones that must be pressed in.

English winding (BSA)
This bearings were recently the „standard“ of mountain bikes and many racing bikes. The winding size is 1,37“ x 24 tpi (threads per inch) in which the right bearing has a left winding and the left bearing has a right winding. The body housing width of the frame is 68mm or 73mm

Italian winding (ITA)
Originally the „standard“ of racing bikes in Italy, therefrom the name. The bearings always have a right winding with the size 36mm x 24.
The body housing width of the frame is 70mm

BB30 / Pressfit 30
A „standard“ created by Cannondale for bearings that must be pressed in the frame. he body housing width of the frame is 68mm or 73mm, the outer diameter of the bearings is 42mm. Pressfit 30 has the same sizes. This ist the name the company SRAM or rather the subsidiary Truvativ gave for this „standard“.

Shimano Pressfit
Shimano has several variants but they all have in common that they have a construction for a 24mm crankshaftand the outer diameter of the bearing is 41mm.
Different are the varying body housing widths of the frames of 86,5mm or 92mm

Connectio to the crank
Even the axles that conncet both of the crank arms have differences. In the past patron bearings with BSA or ITA winning that were firmly connected with the axle were often used. The cranks were screwed on both sides.

Square axle
The oldest form of axles with a conical square on every ending on which the crank arms are pressed using crank guides. Disadvantage is the the wear of the intake and the cumbersome dismantling via extractor.

Fixed gear axle
The further development of the square axle is the fixed gear axle. The Shimano „standard“ Oktalink and the free „standard“ ISIS are still established. But they are not compatible among each other. An exception is the slim Oktalink gearing at Shimano Dura-Ace cranks.
On fixed gear axles both crank arms are also pressed up via screws and can only be removed with an extractor.

Axles on two-part cranks
Currently crank systems have established themselves in which the axles are not connected with the inner bearing but with the right crank arm. The bearings are screwed or pressed in the frame. The axles are just put through and screwed with the left crank arm. Be careful that the inner bearing diameter and the diameter of the crank axle accord to each other. The assembly width of the bearing and the crank have to match, too. The advatages of this system are a larger span, an extended bearing age and an easier montage and removal.

Assembly hints
The frame should always be prepared for the assembly of an inner bearing. Thereto mainly belongs the recut of the winding and the face milling of the body housing. Only then the sides are parallel to each other and the bearings work without deforming. Otherwise it would lead to early bearing wear.

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THM-Carbones BB30 bearing cupn and bearing Hybrid-Ceramic-Road for Clavicula cranks

We use high-grade steel rings with ceramic balls which are treated according to a special greasing and sealing procedure. The main benefit is less an extreme...

 
219.83
Details
FSA MegaExo Ceramic Cartridge bottom bracket BB-9200 MTB BSA 68mm red anodised
-34%

FSA MegaExo Ceramic Cartridge bottom bracket BB-9200 MTB BSA 68mm red anodised

MegaExo Cartr. Ceramic BB-8200  für Kurbel K-Force Light MegaExo Road Gewicht: 92 g Farbe: orange eloxiert Groesse: Ø 24 mm

was 291.43 €
190.59
Details
FSA MegaExo Ceramic Cartridge bottom bracket BB-8200 Road anodised
-31%

FSA MegaExo Ceramic Cartridge bottom bracket BB-8200 Road anodised

MegaExo Cartr. Ceramic BB-8200  für Kurbel K-Force Light MegaExo Road Gewicht: 92 g Farbe: orange eloxiert Groesse: Ø 24 mm

was 277.21 €
190.59
Details
THM-Carbones bearing cups and Hybrid-Ceramic bearing for Clavicula Road cranks

THM-Carbones bearing cups and Hybrid-Ceramic bearing for Clavicula Road cranks

Clavicula's sind auch mit Hybrid-Ceramic-Lagern lieferbar. THM verwendet Edelstahllaufringe mit Ceramic-Kugeln und einer speziellen Schmierung und Dichtung....

 
from 171.43
Details
Tune AC 38 bottom bracket

Tune AC 38 bottom bracket

Tretlager at it’s very best: Das Tretlager, das dem Antritt der schnellsten Sprintspezialisten standhält Umfassende Erfahrung mit Leicht-Tretlagern, Die...

was 186.55 €
from 166.29
Details
Tune Sixpack Ti bottom bracket
-26%

Tune Sixpack Ti bottom bracket

Superdicht: 6-fache Abdichtung (auch nach innen!) sorgt für üppige Lebensdauer der Lager. Dampfstrahlresistent! Supersteif, superleicht. Einfache Montage....

was 206.72 €
from 151.16
Details
Truvativ BBRight Pressfit and PF30 DH ceramic bottom bracket 79/83mm
-28%

Truvativ BBRight Pressfit and PF30 DH ceramic bottom bracket 79/83mm

Das Truvativ BB30 Pressfit Innenlager 79/83mm ist passend für Rahmen mit asymmetrischem BBRight Pressfit Tretlagergehäuse (z.B. Open 0-1.0, Cervélo R3,...

was 212.77 €
151.16
Details
Chris King SRAM/Truvativ Road bottom bracket BSA 68mm
-21%

Chris King SRAM/Truvativ Road bottom bracket BSA 68mm

Features: Version für Shimano/X-Type oder SRAM/Truvativ erhältlich Gewinde: BSA Gehäuse: 68 und 73mm Einbau nur mit geeignetem Werkzeug 5 Jahre Garantie...

was 186.45 €
from 146.12
Details
Chris King SRAM/Truvativ MTB bottom bracket BSA 68/73mm
-21%

Chris King SRAM/Truvativ MTB bottom bracket BSA 68/73mm

Seit über 32 Jahren gibt es bei Chris King die Besten gedichteten Lager. Jetzt gibt es sie auch für Innenlager. Jawohl, das Chris King Innenlager ist hier...

was 186.45 €
from 146.12
Details
Truvativ PF30 68/73mm Pressfit 30 Ceramic bottom bracket
-31%

Truvativ PF30 68/73mm Pressfit 30 Ceramic bottom bracket

Wir bei SRAM sahen die Möglichkeit, ein besseres PressFit System zu entwickeln, in dem alle Vorzüge der BB30- und PressFit-Innenlager in einem...

was 212.77 €
145.11
Details
Truvativ Pressfit GXP Blackbox BB92 MTB bottom bracket ceramic
-29%

Truvativ Pressfit GXP Blackbox BB92 MTB bottom bracket ceramic

PressFit ist eine Innenlager Variante mit außen liegenden Lagern. Es ist bis zu 40 Gramm leichter und lässt sich leichter montieren, da sich die...

was 204.71 €
144.10
Details
Chris King Shimano/X- type MTB bottom bracket BSA 68/73mm
-20%

Chris King Shimano/X- type MTB bottom bracket BSA 68/73mm

Seit über 32 Jahren gibt es bei Chris King die Besten gedichteten Lager. Jetzt gibt es sie auch für Innenlager. Jawohl, das Chris King Innenlager ist hier...

was 176.37 €
from 140.17
Details
Truvativ BB30 ceramic BlackBox bottom bracket
-33%

Truvativ BB30 ceramic BlackBox bottom bracket

was 197.65 €
131.43
Details
Truvativ GXP ceramic BlackBox bottom bracket BSA 68-73mm red
-34%

Truvativ GXP ceramic BlackBox bottom bracket BSA 68-73mm red

was 198.66 €
129.98
Details
Reset GXP small bottom bracket

Reset GXP small bottom bracket

Natürlich auch für KLEIN-Rahmen ohne Innenlagergewinde: Die schlanken Schalen des RESET GXPKLEIN Innenlagers ermöglichen die Montage von Truvativ/SRAM...

was 140.17 €
126.05
Details
Reset GXP Lite bottom bracket for SRAM

Reset GXP Lite bottom bracket for SRAM

Ein reinrassiges GXP-Innenlager ohne Adapter: Das RESET GXPlite ist ein eigenständiges Innenlager nur für GXP-Kurbeln. Mit von außen unsichtbarer...

was 140.17 €
126.05
Details
Reset PF30 bottom bracket BB30

Reset PF30 bottom bracket BB30

Das RESET PF30 Innenlager ermöglicht die Montage von BB30-Kurbeln an Rahmen mit Pressfit30 Gehäuse. Das Innenlager ist vollständig gegen Wasser und...

was 130.08 €
120
Details
Reset PF24 HTII bottom bracket

Reset PF24 HTII bottom bracket

Auch an modernsten MTB-Rahmen mit Pressfit30-Gehäuse kann mit Hilfe des RESET PF24 Innenlagers eine HollowtechII Kurbel nach dem aktuellen Shimano-Standard...

was 130.08 €
120
Details
Reset OSBB Specialized bottom bracket HT2 84,5mm blue

Reset OSBB Specialized bottom bracket HT2 84,5mm blue

OSBB Tretlagergehäuse an Specialized-Rahmen können mit dem RESET OSBB24 Innenlager auch mit HollowtechII Kurbeln nach dem aktuellen Shimano-Standard...

was 130.08 €
120
Details
Reset HollowLite bottom bracket small small/STORCK, HT II XTR, D-A, XT

Reset HollowLite bottom bracket small small/STORCK, HT II XTR, D-A, XT

Natürlich auch für KLEIN-Rahmen ohne Innenlagergewinde: Die schlanken Schalen des RESET HollowLite KLEIN Innenlagers ermöglichen die Montage von modernen...

was 130.08 €
120
Details
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THM-carbons Pressfit 30 bearing cap and bearing for Clavicula cranks

In the meantime SRAM has its own specification for crank installation. Frame width is either 68 mm or 73 mm and the inner diameter 46 mm. We supply a system...

 
from 118.99
Details
THM-carbons BB Right Press Fit bearing for Clavicula cranks

THM-carbons BB Right Press Fit bearing for Clavicula cranks

 
from 118.99
Details
THM-Carbones BB30 bearing cupn and bearing for Clavicula cranks

THM-Carbones BB30 bearing cupn and bearing for Clavicula cranks

Diese Lagerschalen eignen sich für die Montage der THM-Clavicula an Rahmen mit Tretlagergehäusen nach dem BB30 Standard. Der Standard ist auf den Einsatz...

 
118.99
Details
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THM-carbons Shimano Pressfit bearing MTB for Clavicula cranks

Inzwischen bei Rahmen häufig eingesetzte Innenlageraufnahme als Einpressausführung von Lagerschalen mit einem Durchmesser von 41 mm. Zwei...

 
115.97
Details
Reset BB24 bottom bracket 68mm for Hollowtech II

Reset BB24 bottom bracket 68mm for Hollowtech II

Mit diesem Innenlager können Sie Kurbeln mit 24mm-Welle wie z.B. Shimano Hollowtech II in Ihrem Rahmen mit 73mm breitem BB30-Tretlagergehäuse...

was 130.08 €
115.97
Details
Reset X-Press bottom bracket

Reset X-Press bottom bracket

Nach über 100 Jahren geht das gute alte Innenlagergewinde in Rente. Moderne Rahmenkonstruktionen verwenden große Rohrquerschnitte und sollen dabei...

was 130.08 €
from 115.87
Details
Logo

THM-carbons Shimano Pressfit bearing Road for Clavicula cranks

Inzwischen bei Rahmen häufig eingesetzte Innenlageraufnahme als Einpressausführung von Lagerschalen mit einem Durchmesser von 41 mm. Die Variante...

 
108.91
Details
Reset HollowLite MTB bottom bracket BSA 68/73mm
-18%

Reset HollowLite MTB bottom bracket BSA 68/73mm

HTII-Innenlager für MTB-Kurbeln Das RESET HollowLite Innenlager hat eine von außen unsichtbare Werkzeugaufnahme. Es ist trotz aufwändiger Dichtungen...

was 130.08 €
105.88
Details
Hope bottom bracket cups BSA, with cartridge bearings from ceramic
-20%

Hope bottom bracket cups BSA, with cartridge bearings from ceramic

Beschreibung Unser Innenlager kann mit Industrielager aus Edelstahl oder Keramik geliefert werden. Das Innenlager ist mit den meisten Kurbeln kompatibel,...

was 127.46 €
from 100.90
Details
Reset BB24 bottom bracket for Hollowtech II
-22%

Reset BB24 bottom bracket for Hollowtech II

Mit diesem Innenlager können Sie Kurbeln mit 24mm-Welle wie z.B. Shimano Hollowtech II in Ihrem Rahmen mit 73mm breitem BB30-Tretlagergehäuse...

was 130.08 €
from 100.74
Details
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Santa Cruz off-center s bottom bracket for Chameleon 4

 
95.70
Details
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e.thirteen PF30 bottom bracket (bb20.p-pf30.k) (NEW)

 
89.75
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