Description
Shimano BB-UN300 Square Taper 68mm BSA Bottom Bracket
Shimano BB-UN300 Square Taper bottom bracket for cranks with JIS Square Taper mounting. Suitable for frames with BSA thread 68 mm housing width.
Features – Shimano BB-UN300 Square Taper 68mm BSA Bottom Bracket
- SHIMANO quality/performance cartridge bearing square bottom bracket
- Better chainline stability with chain line stabilizer
- Standard, E-type, chain case options
- Adapter material: Aluminum
Product features
- Model: BB-UN300
- BB-Type: Square Taper
- Threaded: BSA
- Threaded BB shell width: 68mm
Axle length (choose variant)
- 107mm
- 110mm
- 110mm Chain case
- 113mm
- 115mm
- 117.5mm
- 117.5mm Chain case
- 118mm
- 118mm Chain case
- 122.5mm (D-NL)
- 122.5mm (LL123)
- 122.5mm (D-NL) Chain case
- 122.5mm (LL123) Chain case
- 122.5mm (LL123) E-Type
- 127.5mm
- 127.5 Chain case
Material
- Steel
Scope of delivery
- 1 x Shimano BB-UN300 Square Taper 68mm BSA Bottom Bracket
EBBUN300B07X
4550170619282
192790619286
SHIMANO INC.
3-77 Oimatsu-cho, Sakai-ku, Sakai-shi
590-8577 Osaka
Japan
https://www.shimano.com
Shimano Europe BV
High Tech Campus 92
NL-5656 Eindhoven
Netherlands
4550170619282
192790619286
SHIMANO INC.
3-77 Oimatsu-cho, Sakai-ku, Sakai-shi
590-8577 Osaka
Japan
https://www.shimano.com
Shimano Europe BV
High Tech Campus 92
NL-5656 Eindhoven
Netherlands
Information
| Weight | 0.35 kg |
|---|---|
| Dimensions | 30 × 20 × 35 cm |
| Brand | Shimano |
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About brand
Shimano is the world's most trusted name in cycling components, and Bikeera stocks a wide range of Shimano gear for UAE riders at every level. From road to mountain to urban cycling, Shimano's products cover drivetrain performance, braking, and pedalling efficiency with the reliability that has made the brand the benchmark of the industry.
Shop all the Shimano components UAE riders need at Bikeera in one convenient place. We stock Ultegra and 105 groupset parts including cassettes, chains, and brake rotors. Our range covers the full SPD-SL and SPD pedal lineup alongside Shimano performance cycling shoes. Di2 electronic wiring, disc brake accessories, and 12-speed electronic upgrade kits are all available. Whether you need a full groupset or a single replacement part, we have you covered.
Visit Bikeera in-store in Dubai to explore the complete Shimano range, or browse and shop anytime at bikeera.com. Free delivery across the UAE on orders over AED 150.
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This product has multiple variants. The options may be chosen on the product page

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