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Tuesday, May 30th, 2017 -  (UTC+7)

 
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 BOTTOM BRACKET
Home : Products : DRIVETRAIN : BOTTOM BRACKET

  
SRAM RED BB - 2012

Welcome our new Gutter Seal Technology! Gutter drastically improves sealing against the elements while reducing seal drag. We’ve designed a fresh new cup forging for a new high-end look. A new standard in external bearing performance!

  • Gutter Seal Technology
  • Improved tool engagement
  • Sealed cartridge bearings
  • English or Italian threads

 Ceramic bearings, Red ano finish.

 

Technology Highlight(s) BB30
Bearings ABEC-1 Rating, Grade 10 chrome alloy steel balls, Stainless steel races
Material/Finish AL - 6061-T6 Cups
Weight 53g (BB30), 105g (GXP)

 

BB30

SRAM RED & 2010 SRAM Force have a SUPERSIZED option with BB30 crank & BB technology. 30mm axle + oversized in-frame bearings = a stiffer package than 24mm spindle applications – delivering more power to the pedal at a 20% weight savings. The elegant OS crank profile gives substantially more ankle clearance eliminating heel and ankle contact for floater pedal users. Available in 130BCD Standard and 110BCD Compact crank sets.

 

GXP

Giga X Pipe External Bottom Bracket Bearing Assembly. While other systems rely on side loading the bearings to eliminate play, which causes premature bearing wear, the GXP system is different. The GXP system captures the left side bearing between the spindle and the left crankarm while allowing the drive-side bearing to float axially on the spindle, thereby eliminating the necessity to side-load bearings during adjustment. The simplicity of installation is refined: once it is tightened to the proper specifications you are ready to roll with a worry free BB. The GXP system uses two bicycle specific cartridge bearings and eight seals for a smooth and long lasting ride.

 

PressFit

A variant of the external GXP bottom bracket, PressFit cuts weight by up to 40 grams and eases installation by allowing you to press the bearing cups into the frame instead of threading them. R equires no change to the crank ?spindle length and diameter.

 

Pressfit 30

This is a new design led by SRAM. It’s all the best from BB30 and Press-Fit bottom brackets in one captivating package. This bottom bracket is designed for 30mm spindle cranksets. The key difference with PressFit 30 is how the bearings are fitted into the frame. Bearings are housed in nylon cups which will be pressed into the frames bottom bracket shell. PressFit 30 will feature an integrated seal, pre-assembled into the cups, to further prolong bearing life. Frames will need a 46mm inner-diameter bottom bracket shell to accommodate this system. PressFit 30 for road will require a 68mm wide shell while PressFit 30 for MTB will require a 73mm wide shell. Advantages: Huge weight savings, narrow Q-factor, more ankle clearance, greater bearing durability, stiffer/stronger crank construction, simple installation. Allows for larger diameter frame tubes increasing frame stiffness. Drawbacks: Still searching

 

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Sepeda Kita
Ruko PALMYRA Square
Jl. Jalur Sutera 25A No. 32
Alam Sutera, Tangerang 15325
Banten - Indonesia
Phone: (+6221) 2931 4986, 2931 5026
Mobile: (+62) 812 9573 6760

E-mail: info@sepedakita.com