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Dreamseek

julio 22, 2026

Bottom Bracket 68/73mm MTB Road Bike Threaded Bearing Hollowtech BB W/ 3 Spacer

Bicycle Rear Derailleur 7/8/9 Speed or 10 Speed MTB Bike Short Cage Guide Wheel. They key is keeping your bb bearings smooth. Spacer: Aluminum Alloy Spacer X3. Spacer : Aluminum Alloy Spacer X3. The middle shaft is equipped with a Spacer to adjust the chain centerline distance of the crank disc to prevent scratching.
julio 22, 2026

Bike Bottom Bracket 30mm BSA30 Road MTB Bicycle 68/73mm BB30 Threaded Bearing

Specifications: Condition:100% Brand New BB/Frame Interface: English Material: Aluminum Alloy Bowl Color: Black Spacer: No Spacer Applicable Bottom Bracket: BC1.37”X24T Installation Method: Threaded Frame Bottom Bracket Width: 68mm-73mm Crankshaft Core Size: 30-30mm Net Weight: About 90g Gross Weight: About 100g Feature: Fits 68-73mm frame bottom bracket shells. This bottom bracket provides better sealing and rotation to delivery. Locking aluminum alloy shaft cover, CNC processing, sealed Peilin smooth and durable. .
julio 22, 2026

Bike Bottom Bracket 30mm BSA30 Road MTB Bicycle 68/73mm BB30 Threaded Bearing

Specifications: Condition:100% Brand New BB/Frame Interface: English Material: Aluminum Alloy Bowl Color: Black Spacer: No Spacer Applicable Bottom Bracket: BC1.37”X24T Installation Method: Threaded Frame Bottom Bracket Width: 68mm-73mm Crankshaft Core Size: 30-30mm Net Weight: About 90g Gross Weight: About 100g Feature: Fits 68-73mm frame bottom bracket shells. This bottom bracket provides better sealing and rotation to delivery. Locking aluminum alloy shaft cover, CNC processing, sealed Peilin smooth and durable. .
julio 22, 2026

Bike Bottom Bracket 30mm BSA30 Road MTB Bicycle 68/73mm BB30 Threaded Bearing

Specifications: Condition:100% Brand New BB/Frame Interface: English Material: Aluminum Alloy Bowl Color: Black Spacer: No Spacer Applicable Bottom Bracket: BC1.37”X24T Installation Method: Threaded Frame Bottom Bracket Width: 68mm-73mm Crankshaft Core Size: 30-30mm Net Weight: About 90g Gross Weight: About 100g Feature: Fits 68-73mm frame bottom bracket shells. This bottom bracket provides better sealing and rotation to delivery. Locking aluminum alloy shaft cover, CNC processing, sealed Peilin smooth and durable. .