中轴

中轴

In the 中轴 shop you find 122 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.

Details
Shimano MTB Hollowtech II bottom bracket cups BSA SM-BB70-B for SLX, Deore, Deore LX, XT (RETAIL pack)

Shimano MTB Hollowtech II bottom bracket cups BSA SM-BB70-B for SLX, Deore, Deore LX, XT (RETAIL pack)

Robust, aggressiv, leicht.Die exklusive SLX-Gruppe von Shimano ist für den All-Mountain-Einsatz bestimmt. Die All-MountainGruppe SLX unterscheidet sich von...

 
12
Details
Truvativ GXP Team bottom bracket BSA silver
-33%

Truvativ GXP Team bottom bracket BSA silver

was 33.28 €
22.08
Details
Shimano BB-UN55 square bottom bracket BSA

Shimano BB-UN55 square bottom bracket BSA

Vierkant-Innenlager nicht für Kettenkasten-Montage

 
10.99
Details
Shimano BB-UN26 square bottom bracket BSA

Shimano BB-UN26 square bottom bracket BSA

 
from 4.94
Details
Shimano XTR Hollowtech II bottom bracket cups BSA SM-BB93

Shimano XTR Hollowtech II bottom bracket cups BSA SM-BB93

Lieferumfang Shimano Innenlager XTR SM-BB93 linke + rechte Lagerschale inkl. Hülse mit O-Ring inkl. TL-FC24 Adapter Hinweis: Durch den kleineren Vielzahl...

 
25.11
Details
Shimano MTB Press-Fit bottom bracket 41mm SM-BB91-41A

Shimano MTB Press-Fit bottom bracket 41mm SM-BB91-41A

Die Bezeichnung dieses Lagers wurde aus der BSA-Variante SM-BB90 abgeleitet und bezeichnet nicht die Breite des Lagergehäuses. Das SM-BB91-41A passt für...

 
16.03
Details
Shimano Saint Hollowtech II bottom bracket cups BSA for (RETAIL pack)

Shimano Saint Hollowtech II bottom bracket cups BSA for (RETAIL pack)

Find Your FlowDie Gravity-Disziplinen haben sich weiterentwickelt: Die Bikes sind leichter, die Strecken schneller undtechnischer geworden. Ob für Downhill,...

 
from 16.03
Details
Truvativ Pressfit GXP BB92 MTB bottom bracket
-36%

Truvativ Pressfit GXP BB92 MTB bottom bracket

Truvativ GXP Innenlager außenliegend (Lagerschale inkl. Lager) Einsatzbereich: MTB und Road Lagerschalen: CNC gefrästes Aluminium Lager: gedichtetes...

was 38.32 €
24.15
Details
Shimano Deore Hollowtech II bottom bracket cups BSA SM-BB51 (RETAIL pack)

Shimano Deore Hollowtech II bottom bracket cups BSA SM-BB51 (RETAIL pack)

 
9.57
Details
Shimano MTB Press-Fit bottom bracket 41mm SM-BB71-41A

Shimano MTB Press-Fit bottom bracket 41mm SM-BB71-41A

 
12
Details
Shimano BB-ES25 Octalink bottom bracket BSA

Shimano BB-ES25 Octalink bottom bracket BSA

 
from 7.97
Details
Truvativ PF30 68/73mm Pressfit 30 bottom bracket
-32%

Truvativ PF30 68/73mm Pressfit 30 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 44.37 €
30.15
Details
Truvativ Howitzer XR bottom bracket chain lines
-31%

Truvativ Howitzer XR bottom bracket chain lines

Truvativ Howitzer XR Einsatzbereich: MTB Material Achse: wärmebehandeltes CrMo Achsbohrung: M15 oder M12 Lagerschalen: Leichtmetalllegierung Lager: 2...

was 42.35 €
29.20
Details
FSA Platinum ISIS bottom bracket
-50%

FSA Platinum ISIS bottom bracket

Platinum FSA Innenlager Geschmiedete und hohlgebohrte Stahl-Achse; doppelreihiges Industrielager MegaQuad; kaltgeschmiedete Schalen aus Aluminium; Titan...

was 61.51 €
from 30.20
Details
Truvativ BB30 bottom bracket
-30%

Truvativ BB30 bottom bracket

Truvativ BB30 Bottom Brackets BB30 — named for its required spindle size — cuts weight by up to 100 grams, narrows Q-factor, increases ankle clearance,...

was 33.28 €
23.09
Details
Truvativ BBRight Pressfit and PF30 DH bottom bracket 79/83mm
-27%

Truvativ BBRight Pressfit and PF30 DH 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 44.37 €
32.17
Details
Truvativ Howitzer Team bottom bracket chain lines
-46%

Truvativ Howitzer Team bottom bracket chain lines

Howitzer A bottom bracket Charlton Heston would be proud of. . . .if it shot things & we were members of the NRA.. Designed from the ground up as the...

was 52.44 €
from 28.13
Details
Truvativ PowerSpline bottom bracket
-45%

Truvativ PowerSpline bottom bracket

Power Spline Heat-treated cromoly spindle Accepts standard M8 bolts & crank extractor tool Sealed cartridge bearings & CNC’d steel cups Unique...

was 22.18 €
from 12
Details
FSA MegaExo bottom bracket MTB BSA
-27%

FSA MegaExo bottom bracket MTB BSA

Beschreibung & Material: oversized verkeilt und integrierte ChroMoly Innenlagerwelle MegaExo Aluminium Lagerschalengrößen Ø24 mm Innenlagerwelle...

was 37.31 €
from 27.13
Details
Shimano BB-ES51 Octalink bottom bracket

Shimano BB-ES51 Octalink bottom bracket

Shimano LX Innenlager (BB-ES51 od. BB-ES51E) Oversize-Innenlagerachse Die große 22mm0-Tunnelwalzachse erhöht bei weniger Gewicht die Festigkeit und...

 
from 18.05
Details
Truvativ Pressfit adapter on BSA
-32%

Truvativ Pressfit adapter on BSA

was 34.29 €
23.09
Details
Truvativ Giga Pipe Team DH bottom bracket ISIS
-32%

Truvativ Giga Pipe Team DH bottom bracket ISIS

Giga Pipe ISIS The industry standard ten-flute design gives you a 25% increase in stiffness & twice the strength over traditional square-taper...

was 51.43 €
from 34.84
Details
Hope bottom bracket cups BSA, with cartridge bearings from stainless steel
-20%

Hope bottom bracket cups BSA, with cartridge bearings from stainless steel

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

was 96.54 €
from 76.44
Details
Shimano BB-UN26 square bottom bracket BSA chain case mounting

Shimano BB-UN26 square bottom bracket BSA chain case mounting

 
from 6.96
Details
Shimano MTB Press-Fit bottom bracket 42mm SM-BB91-42A

Shimano MTB Press-Fit bottom bracket 42mm SM-BB91-42A

Adapterlager von Specialized OSBB MTB mit 84,5mm Gehäusebreite und 42mm Innendurchmesser auf 24mm-Wellen., z.B. Shimano Hollowtech II. Alle Carbon-Rahmen...

 
16.03
Details
rotor BSA30 bottom bracket BSA 68/73mm (incl. bottom bracket tool)
-23%

rotor BSA30 bottom bracket BSA 68/73mm (incl. bottom bracket tool)

30mm externes Lager, das den Einbau von 3D+ Kurbelradgarnituren in klassischen BSA gedrehten Rahmen erlaubt Silikondichtungen ermöglichen...

was 55.46 €
from 42.30
Details
Truvativ HammerSchmidt bottom bracket All Mountain
-33%

Truvativ HammerSchmidt bottom bracket All Mountain

HammerSchmidt Innenlager Das HammerSchmidt Innenlager verfügt über eine speziell entwickelte Schnittstelle zwischen Innenlager und Kurbel Die Konstruktion...

was 59.50 €
from 39.28
Details
Truvativ HammerSchmidt bottom bracket Freeride
-31%

Truvativ HammerSchmidt bottom bracket Freeride

HammerSchmidt Innenlager Das HammerSchmidt Innenlager verfügt über eine speziell entwickelte Schnittstelle zwischen Innenlager und Kurbel Die Konstruktion...

was 59.50 €
40.88
Details
Hope bottom bracket modification kit for Truvativ GXP cranks
-18%

Hope bottom bracket modification kit for Truvativ GXP cranks

was 12.20 €
9.98
Details
RaceFace X- type Team XC bottom bracket 68/73mm 2015
-17%

RaceFace X- type Team XC bottom bracket 68/73mm 2015

RACE FACE Team XC Atlas/Deus Bottom Bracket Our high end X-Type external bottom bracket has been totally redesigned and upgraded for 2010! Bearings, sealing...

was 40.24 €
33.18
Details
Shimano BB-UN26 square bottom bracket BSA for E- type front derailleur

Shimano BB-UN26 square bottom bracket BSA for E- type front derailleur

 
from 5.95
Details
Truvativ Giga Pipe Team SL bottom bracket ISIS
-28%

Truvativ Giga Pipe Team SL bottom bracket ISIS

GigaPipe Team SL Precision full-complement sealed cartridge bearings CNC’d ISIS Drive interface & alloy cups Proprietary optimized spindle heat-treatment...

was 42.35 €
from 30.15
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26.11.2014, 14:31 h
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Produkte: 148
Wert: 41,538.52 €
 
Shipping to: GB

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