D712SB-B12

CENTRE LOCK VERSION: 

D712SB-B12-CL

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Icon for B2 compatibility
Discontinued stamp
Hub picture of D712SB-B12
373 GRAMS

ALLOY J-HOOK DISC HUB
SHIMANO 9.10.11S / SRAM XD DRIVER

SEALED BEARINGS: 

4PCS

HUB SHELL BEARINGS: 

2 PCS OF #6902

HUB SPOKE HOLES: 

28 32

HUB GAUGE: 

14

HUB O.L.D.: 

148MM

AXLE SIZE: 

12 x 148MM

AXLE MATERIAL: 

ALLOY

HUB P.C.D.: 

58 / 49MM

HUB F.T.F.: 

63.10MM

HUB OFFSET: 

7.80MM

HUB PAWLS: 

4

CASSETTE BODY MATERIAL: 

ALLOY

Convertibility: 

This hub doesn't support MULTI-AXLE SYSTEM so you cannot convert it into different axle size.

 

Tools:  In case you want to maintain your hub then you might need some tools to do so (except for a few tool-less hub models). It depends of course on how deep your disassembling goes, but these are the most important tools to be ready at your hand:

  • 2pcs of 17mm Wrench Key

You might also need a hub bearing puller and/or installation tool kit in case you want to change the bearings in your hub (it vary from case to case, not all hubs need it as a hammer will do the job sometime).

Anyway, if you want to see how to use the mentioned hub bearing tools, please click here.

DRAWING OF HUB: 

D712SB-B12-11S
D712SB-B12-CL-11S

Spoke length calculation

If interested in spoke length calculation, please click here.

Spare parts

Cassette body

CASSETTE BODY SHIMANO 11S, B2 COMPATIBILITY TYPE, 4 PAWLS, ANTI BITE GUARD FEATURE (A.B.G.), ALLOY MATERIAL, FOR 15 MM AXLE.
Cassette body

CASSETTE BODY SRAM XD 11, B2 COMPATIBILITY TYPE, 4 PAWLS, ALLOY MATERIAL, FOR 15 MM AXLE, WITH SEAL AND NEW SPACER . THIS NEW SPACER IS COMPATIBLE ONLY WITH 4 PAWLS CASSETTE BODIES.
Cassette body

CASSETTE BODY SHIMANO 8/9/10S, B2 COMPATIBILITY TYPE, 3 PAWLS, STEEL MATERIAL, FOR 15 MM AXLE.
Bearing

SEALED BEARING #6902, SIZE: 15 x 28 x 7 MM, WEIGHT: 15.7 G.
Ratchet ring RATCHET RINGS, 27 TEETH, PRESS-IN AND THREADED TYPE, MATERIAL: STEEL, FOR ROAD AND MTB HUBS. THREADED TYPE WAS DISCONTINUED THREFORE RECENT HUBS ARE USING ONLY PRESS-IN TYPE OF RATCHET RING. SPECIAL TOOL IS NEEDED TO REMOVE / INSTALL RATCHET RINGS.
Oil seal

OIL SEAL FOR B2/D2 TYPE OF CASSETTE BODY COMPATIBILITY,  SIZE: 29,8 MM / 17,3 MM, THICKNESS: 3 MM, WEIGHT: 1,9 G.
3pawls+spring

3 PAWLS + SPRING FOR CASSETTE BODIES WITH 3 PAWLS (SHIMANO, CAMPAGNOLO AND SRAM XD), MATERIAL: STEEL.
4pawls+spring

4 PAWLS + SPRING FOR CASSETTE BODIES WITH 4 PAWLS (SHIMANO AND SRAM XD), MATERIAL: STEEL.
water seal

WATER SEAL FOR ALL TYPES OF CASSETTE BODIES,  SIZE: 26.2 MM / 31.25 MM, THICKNESS: 3 MM. PLACED BETWEEN HUB SHELL AND CASSETTE BODY.