Shimano Square Type Bicycle Bottom Bracket — Movatik Skip to content

Shimano Square Type Bicycle Bottom Bracket

Original price $12.87 - Original price $17.95
Original price $14.00
$14.00
$12.87 - $17.95
Current price $14.00
Availability:
Only 1 left!
Availability:
Out of stock
Availability:
Only 3 left!
Availability:
Out of stock
Availability:
10+ in stock, ready to be shipped
Availability:
Out of stock

About This Item

  • SHIMANO quality/performance cartridge bearing square bottom bracket
  • Better chainline stability with chain line stabilizer
  • 3 structures available
  • Standard, E-type, chain case options
  • Adapter material: Aluminum
Brand: Shimano
Reference SKU EBBUN300B17X
Shipping Policy

Free shipping on all orders $50 and above.

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Return Policy

45 days return window.

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Product Description

Shimano BB-UN300 Square Spindle Bottom BracketsFits JIS square-taper cranksetsCrankarm fixing bolts sold separatelyHollow spindleItem SpecificationsDefined ColorBlackBottom Bracket Shell I.D.1.37Spindle Length118Spindle Interface TypeSquare Taper JISBB Shell Width (mm)68BB/Frame InterfaceEnglish

Product Specification

MODEL NO BB-UN300
SERIES TOURNEY A070 Series
Remarks * w/ Crank arm fixing bolts spec. only ** w/ Crank arm fixing bolts spec. is available
Structure_Standard ✔
Axle length/shell width (mm)_107_68 (BC1.37) ✔
Axle length/shell width (mm)_LL113_73 (BC1.37) ✔
Axle length/shell width (mm)_D-H_68 (BC1.37) X *
Axle length/shell width (mm)_117.5_68 (BC1.37) X **
Axle length/shell width (mm)_XL118_68 (BC1.37) X **
Axle length/shell width (mm)_XL118_73 mm ✔
Axle length/shell width (mm)_D-NL 122_68 (BC1.37) X **
Axle length/shell width (mm)_D-NL 122_73 (BC1.37) X *
Axle length/shell width (mm)_D-EL 127_68 (BC1.37) X *
Axle length/shell width (mm)_LL123_68 (BC1.37) ✔
Axle length/shell width (mm)_LL123_73 (BC1.37) ✔
Axle length/shell width (mm)_LL113_68 (BC1.37) X **
Axle length/shell width (mm)_MM110_68 (BC1.37) X **
Spindle_Square type ✔

Resources

Bottom Bracket Assembly.pdf
User Manual.pdf

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One of my favorite online MTB stores. They usually always have what I need. Great products, top of the line components and gear. The customer service is one of the best. They are fast and friendly. I had a chance to visit there store front and even got small tour. Great folks and passionate riders too. thanks!

CODA R.

Awesome prices & excellent customer service. Shipping was fast as well. I’ll definitely shop here again.

Leslie M.

Fast shipping and great costumer service!100% recommended!

Irwin S.