Skip to main content

Picture 1 of 2

Stock photo
Stock photo
Shimano BB-UN300 Square Taper Bottom Bracket 68 - 118mm - Picture 1 of 2
Shimano BB-UN300 Square Taper Bottom Bracket 68 - 118mm - Picture 2 of 2

Shimano Tourney TX800 Series BB-UN300 Square Type Bottom Bracket 68 - 118mm - Silver (BBUN300B18)

4.05 product ratings
zooraja (63)
100% positive Feedback
Price:
£13.20
Free postage
Estimated delivery Mon, 12 May - Wed, 14 May
Returns:
No returns, but backed by the eBay Money Back Guarantee.
Condition:
New
The Shimano BB-UN300 Square Taper Bottom Bracket is a high-quality and durable component designed for cycling enthusiasts. Made from steel and featuring a square taper spindle type, this bottom bracket is compatible with Shimano brand bikes, including road bikes, hybrid bikes, and mountain bikes. The silver colour adds a sleek look to your bike, while the 118mm shell width ensures a secure fit. Whether you are replacing a worn-out bottom bracket or looking to upgrade your bike's performance, the Shimano BB-UN300 is a reliable choice for all your cycling needs.

About this product

Product Identifiers

BrandShimano
MPNBBUN300B18
EAN4550170619237
UPC4550170619237
ModelShimano BB-UN300
eBay Product ID (ePID)28043560851

Product Key Features

Spindle TypeSquare Taper - ISO
Compatible BrandShimano
Shell Width118 mm, 68 mm
Bottom Bracket Shell TypeBSA (English)
Compatible Bike TypeRoad Bike, Universal, Hybrid Bike, Mountain Bike
ColourSilver
Number of Items1
Part TypeBottom Bracket
Compatible ModelUniversal
MaterialSteel

Additional Product Features

Unit TypeUnit

All listings for this product

Buy it now
New
Shimano BB-UN300 Square Taper Bottom Bracket 68 - 118mm
item 1 Shimano BB-UN300 Square Taper Bottom Bracket 68 - 118mm
£13.20
Free postage
Shimano BB-UN300 bottom bracket British thread, 68 - 118 mm
item 2 Shimano BB-UN300 bottom bracket British thread, 68 - 118 mm
£16.49
Free postage
Shimano UN300 Bottom Bracket Bike Cycle Bicycle BB Square Taper Sealed Cartridge
item 3 Shimano UN300 Bottom Bracket Bike Cycle Bicycle BB Square Taper Sealed Cartridge
£17.23
Free postage
Boxed Shimano UN300 BSA Bottom Bracket BB 68X115mm Square Taper Sealed Cartridge
Last one
item 4 Boxed Shimano UN300 BSA Bottom Bracket BB 68X115mm Square Taper Sealed Cartridge
£15.00
+ £3.95 postage
Boxed Shimano UN300 BSA Bottom Bracket BB 68X123mm Square Taper Sealed Cartridge
item 5 Boxed Shimano UN300 BSA Bottom Bracket BB 68X123mm Square Taper Sealed Cartridge
£15.00
+ £3.95 postage
Boxed Shimano UN300 BSA Bottom Bracket BB 68X110mm Square Taper Sealed Cartridge
item 6 Boxed Shimano UN300 BSA Bottom Bracket BB 68X110mm Square Taper Sealed Cartridge
£15.00
+ £3.95 postage
Boxed Shimano UN300 BSA Bottom Bracket BB 68X113mm Square Taper Sealed Cartridge
item 7 Boxed Shimano UN300 BSA Bottom Bracket BB 68X113mm Square Taper Sealed Cartridge
£15.00
+ £3.95 postage
Boxed Shimano UN300 BSA Bottom Bracket 68X117.5mm Square Taper Sealed Cartridge
item 8 Boxed Shimano UN300 BSA Bottom Bracket 68X117.5mm Square Taper Sealed Cartridge
£15.00
+ £3.95 postage
Shimano Series BB-UN300 Square Type Bottom Bracket 68 - 118mm
item 9 Shimano Series BB-UN300 Square Type Bottom Bracket 68 - 118mm
£16.32
+ £3.39 postage
Boxed Shimano UN300 BSA Bottom Bracket BB 68X118mm Square Taper Sealed Cartridge
item 10 Boxed Shimano UN300 BSA Bottom Bracket BB 68X118mm Square Taper Sealed Cartridge
£19.99
Free postage
Shimano BB-UN300 Square Taper Bottom Bracket
item 11 Shimano BB-UN300 Square Taper Bottom Bracket
£19.99
Free postage
Shimano UN300 Bottom Bracket Bike Cycle Bicycle BB Square Taper Sealed Cartridge
item 12 Shimano UN300 Bottom Bracket Bike Cycle Bicycle BB Square Taper Sealed Cartridge
£20.48
Free postage
Shimano BB-UN300 Square Taper Bottom Bracket - 107 to 127mm - 68/73mm
item 13 Shimano BB-UN300 Square Taper Bottom Bracket - 107 to 127mm - 68/73mm
£20.99
Free postage
Shimano UN300 Square Taper English Thread Bottom Bracket 68 x 118mm
Last one
item 14 Shimano UN300 Square Taper English Thread Bottom Bracket 68 x 118mm
£21.77
Free postage
Shimano BB-UN300 bottom bracket British thread 68 - 118 mm
item 15 Shimano BB-UN300 bottom bracket British thread 68 - 118 mm
£19.99
+ £2.99 postage
Shimano BB-UN300 Square Taper Bottom Bracket - 68/73mm 107-127mm
item 16 Shimano BB-UN300 Square Taper Bottom Bracket - 68/73mm 107-127mm
£22.99
Free postage
Shimano BB-UN300 British Thread Bottom Bracket
item 17 Shimano BB-UN300 British Thread Bottom Bracket
£23.99
Free postage
Shimano BBRKT UN300 BS Bottom Bracket
item 18 Shimano BBRKT UN300 BS Bottom Bracket
£24.76
Free postage
Shimano BB-UN300 Bottom Bracket British Thread Silver
item 19 Shimano BB-UN300 Bottom Bracket British Thread Silver
£23.99
+ £3.00 postage
SHIMANO Compact aluminum square bottom bracket cartridge axle BB-UN300 68-118 MM
item 20 SHIMANO Compact aluminum square bottom bracket cartridge axle BB-UN300 68-118 MM
£45.36
Free postage
SHIMANO Compact aluminum square bottom bracket cartridge axle BB-UN300 68-118 MM
item 21 SHIMANO Compact aluminum square bottom bracket cartridge axle BB-UN300 68-118 MM
£45.36
Free postage
Bsa 118Mm/68Mm Bottom Bracket Bb-Un300 Square Axle Sh-Ebbun300B18X Shimano
item 22 Bsa 118Mm/68Mm Bottom Bracket Bb-Un300 Square Axle Sh-Ebbun300B18X Shimano
£24.58
+ £40.20 postage
listings for this product

Ratings and reviews

Learn more
4.0
5 product ratings
  • 3 users rated this 5 out of 5 stars
  • 0 users rated this 4 out of 5 stars
  • 1 users rated this 3 out of 5 stars
  • 1 users rated this 2 out of 5 stars
  • 0 users rated this 1 out of 5 stars

Would recommend

Good value

Good quality

Most relevant reviews

  • by paul.surfer
    18 Nov, 2024

    Shimano bottom bracket

    Super piece of kit , easy to fit . Looks good and the last one I fitted is still ok after 3 years. Excellent quality and value for money.

    Verified purchase: YesCondition: New

  • by eileehutchinso-0
    08 Feb, 2023

    Shimano Bottom Bracket

    Good product but Shimano have put a "Flange on the drive side that Impeded the use of my BB tool!

    Verified purchase: YesCondition: New

  • by grifmar-o3vq1wjc
    25 Mar, 2022

    the teeth on cassette arn't even

    the product is poorly made and looks like a knock off of the real thing or either that Shimano Quality has rapidly gone down hill.

    Verified purchase: YesCondition: New

  • by andrewc0722
    15 May, 2022

    Good buy

    Works, fits, quality, price

    Verified purchase: YesCondition: New

Best-selling in Bottom Brackets

See all

Save on Bottom Brackets

Trending price is based on prices over last 90 days.

You may also like