Shimano Bottom Bracket BSA Square 117.5/68mm BB-UN300 EBBUN300B17X

Manufacturer : Shimano

The BB-UN300 square tapered bottom bracket is launched by Shimano as the successor to the BB-UN26 and BB-UN55 models. It covers a wide range of applications from Touring and City bikes to older Road and Mountain bikes. The BB-UN300 is available with BSA threads and different axle lengths. In this type, the bottom bracket axle and the crank are connected by a square taper. The delivery does not include the crank bolts.

Technical data:

Area of ​​use: Road, MTB, City, Trekking
Material : Steel
Mounting type: Square (JIS)
Model type: BSA
Width: 68mm
Axle length models: 110mm, 113mm, 115mm, 117.5mm, 122.5mm,

Recommended:

- FC-M311, FC-M315, FC-M351, FC-M361, FC-M371, FC-M430
- FC-M2000, FC-M3000
- FC-T3010
- FC - MT100
- FC-RS200
- FC-TY301, FC-TY501, FC-TY701
- FC-TX801
- FC-A070, FC-A073

Length and general characteristics:

BSA 68x110:

Teeth: BSA
Shell Width: 68mm
Axle Length: 110 mm
Manufacturer Part Number: E-BBUN300B10X

BSA 68x113:

Teeth: BSA
Shell Width: 68mm
Axle Length: 113 mm
Manufacturer Part Number: E-BBUN300B13X

BSA 68x117.5 :

Teeth: BSA
Shell Width: 68 mm
Axle Length: 117.5 mm
Manufacturer Part Number: E-BBUN300B17X

BSA 68x122.5:

Teeth : BSA
Shell Width: 68 mm
Axle Length: 122.5 mm
Manufacturer Part Number: E-BBUN300B22X

Scope of delivery:

- 1 x Shimano Bottom Bracket BB-UN300 Square Shaft 68/117.5mm

Weight :

-Shimano Bottom Bracket BB-UN300 Square Shaft 68/122.5mm : 285 grams