Description
2 Bearing Bike BB Sets
Brand: BLOOKE
Inside diameter:24mm With 22mm Ring
Bearing: sealed/ceramic, optional
Color:
Black/Titanium/Silver/Red/
Gold/Blue/Green/Purple
Material: AL7075 Aluminum alloy
Weight:about 106.1g
Specification : English Threaded Hollow,
BB frame length:68/73mm
Tooth pattern:BC 137-24T
Bearing Inner and outer circles
: stainless steel
For: Shimano / Sram / Prowheel 24mm
Sram GXP 22mm
TOOl:BB wrench BZ-301A
BB Frame Length:68-73mm
Thread Outer Diameter:34.5mm
Bracket Outer Diameter:44mm
Frame Thread Inner Diameter:34.5mm
Bracket Inner Diameter 24mm/22mm
More Compatible
3 x Fine Adjusting Gasket:
Adiust the distance between Crank Disc and Chain Axis.
Suitable for Different size of Crank:
24-24mm:SHIMANO Prowheel et
24-22mm:SRAM.GXP etc.
Suitable for Different size of Crank
(24-24mm: SHIMANO Prowheel etc.
(24-22mm:SRAM、GXP etc.
Buying Guide :
1. Please measure the inner diameter of the bicycle frame
Our parameters are as follows:
BSA Φ34.5mm
BC1.37''x 24T
Width: 68/73mm
2. Please measure the outer diameter of the axle of the bicycle crankset
Our parameters are as follows:
24mm For:HOLLOWTECH II
SHIMANO
x x x -Add adapter ring 22mm
22/24mm For: GXP
3, Measure the mounting size of the bottom bracket
measure method as follows
Because the ceramic BB is different in Production batch, the color of bearing protective cover is different. The early batch is red protective cover, and the latest batch is blue protective cover. New and old batches are sent randomly,Ceramic bearing material is the same, don't worry
Sealed Bearing
2 Bearing Sealed Bearing
rotates more smoothly
Effective waterproof
Bearing Display Components
Inner Outer Ring Satinless Steel
New Production batch⬇ (blue
Ceramic 2 Bearing –Blue Protection Cover
Ball material ZirconiaZro2,
black ceramic material,2 bearings
Ceramics BearingBlue protective cover
Inner Outer RingSatinless Steel)
Old Production batch⬇ (red
Ceramic 2 Bearing –Red Protection Cover
Ball material ZirconiaZr02,
black ceramic material,2 bearings
Ceramics BearingRed protective cover
Inner Outer RingSatinless Steel
common Feature
thread Pattern,More Stable
Installation Steps
1.distinguish the left L and rightR
2.Put the right sideR and tighten clockwise
3.Put the left side Land tighten clockwise
4.Use professional tools to continue tighten
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