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BB-UN300 Bottom Bracket - English 68 x 122.5mm Spindle Square Taper JIS 50mm Chainline
Shimano BB-UN300 Bottom Bracket - English 68 x 122.5mm Spindle Square Taper JIS 50mm Chainline. Shimano BB-UN300 Square Spindle Bottom BracketsFits JIS square-taper cranksets
Crankarm fixing bolts sold separately
Hollow spindle
- TECH SPECS
| Bottom Bracket Shell I.D. | 1.37 |
| BB/Frame Interface | English |
| BB Shell Width (mm) | 68 |
| Spindle Interface Type | Square Taper JIS |
| Spindle Length | 122.5 |
| Defined Color | Black |
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Product Information
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Shipping & Returns

BB-UN300 Bottom Bracket - English 68 x 122.5mm Spindle Square Taper JIS 50mm Chainline
BB-UN300 Bottom Bracket - English 68 x 122.5mm Spindle Square Taper JIS 50mm Chainline
Shimano BB-UN300 Bottom Bracket - English 68 x 122.5mm Spindle Square Taper JIS 50mm Chainline. Shimano BB-UN300 Square Spindle Bottom BracketsFits JIS square-taper cranksets
Crankarm fixing bolts sold separately
Hollow spindle
- TECH SPECS
| Bottom Bracket Shell I.D. | 1.37 |
| BB/Frame Interface | English |
| BB Shell Width (mm) | 68 |
| Spindle Interface Type | Square Taper JIS |
| Spindle Length | 122.5 |
| Defined Color | Black |
$18.00
BB-UN300 Bottom Bracket - English 68 x 122.5mm Spindle Square Taper JIS 50mm Chainlineā
$18.00
Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
Shimano BB-UN300 Bottom Bracket - English 68 x 122.5mm Spindle Square Taper JIS 50mm Chainline. Shimano BB-UN300 Square Spindle Bottom BracketsFits JIS square-taper cranksets
Crankarm fixing bolts sold separately
Hollow spindle
- TECH SPECS
| Bottom Bracket Shell I.D. | 1.37 |
| BB/Frame Interface | English |
| BB Shell Width (mm) | 68 |
| Spindle Interface Type | Square Taper JIS |
| Spindle Length | 122.5 |
| Defined Color | Black |



















