The tittle says 110 mm long but the image says 123, shall I trust its a 110mm ?

Different lengths may be available depending on the part number chosen. The same image may be used for multiple products of similar type.

Is this equal to a shiman0 un26, 68x127,5mm bottom bracket.

Please watch RJ the bike guy's How To Upgrade Vintage Bike With Sealed Cartridge Bottom Bracket in YouTube

Will this fit a mongoose sycamore 26in mountain bike

when you remove the old one read the dimensions on the bb. you can even take a measuring tape and measure the hole. don't throw away the used one until the new one is found and installed. maybe youtube your bike repair.

How much does this bottom bracket weigh?

Amazon’s specs say .29 Kg. As the package weight. The packaging would not be significant.

Shimano Square Type Bicycle Bottom Bracket

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Description

⚙️ Upgrade your ride with precision and power – because every pedal stroke counts!

PRECISION PRESS FIT - Seamlessly integrates with your JIS square-taper crankset for flawless performance.
TRUSTED SHIMANO QUALITY - Backed by a 4.6-star rating and industry-leading standards for peace of mind on every ride.
CHAINLINE STABILIZER TECH - Keeps your drivetrain perfectly aligned, maximizing power transfer and minimizing wear.
SHIMANO CARTRIDGE BEARINGS - Engineered for smooth rotation and long-lasting reliability under all riding conditions.
LIGHTWEIGHT ALUMINUM ADAPTER - Durable yet featherlight, reducing overall bike weight without compromising strength.

The SHIMANOROAD Bottom Bracket 86.5mm Press FIT Black is a high-performance bicycle component designed to fit JIS square-taper cranksets. Featuring a lightweight aluminum adapter and Shimano’s renowned cartridge bearings, it ensures smooth, durable operation. Its chainline stabilizer enhances drivetrain efficiency, making it a trusted choice for cyclists seeking reliable, precision-engineered parts.

Specifications

ASIN	B08C786DW8
Bearing Number	EBBUN300B22X
Best Sellers Rank	#99,395 in Sports & Outdoors ( See Top 100 in Sports & Outdoors ) #38 in Bike Bottom Brackets
Brand	SHIMANO
Brand Name	SHIMANO
Compatible Lubricant	Grease
Customer Reviews	4.6 out of 5 stars 586 Reviews
Included Components	Bottom Brackets
Item Dimensions	5.63 x 2.03 x 1.91 inches
Item Type Name	Bottom Bracket
Item Weight	300 g
Item dimensions L x W x H	5.63 x 2.03 x 1.91 inches
Manufacturer	Shimano
Material	Metal
Material Type	Metal
Model	EBBUN300B22X m
Number of Items	1
Part Number	EBBUN300B22X
Set Name	EBBUN300B22X
Specification Met	Manufacturer Standards
UPC	192790619156
Unit Count	1 Count
Warranty Description	Limited Warranty

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$35.96

Duties & taxes included

In stock

Sold byAmazon USADelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to USA.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Neha S.

Excellent communication throughout the order process. Product is perfect.

2 weeks ago

Fatima A.

Best international shipping I've ever tried. Worth every penny!

3 days ago

View all Trustpilot reviews