Best Bottom Bracket Bearings In May 2025

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In this review, we evaluate the Best Bottom Bracket Bearings available today. We have also included a comprehensive guide that helps you pick the best product. We hope that by going through the top 10 Best Bottom Bracket Bearings reviews below, you can effectively narrow down your choice and find the most appropriate one you need.

To help you in your search, we have completed this list of the Best Bottom Bracket Bearings.

Top Rated Best Bottom Bracket Bearings Of 2025

Rank	Product Name	Score
1	SHIMANO UN55 BB Square Taper Bottom Bracket (68x122.5mm) Buy Now	9.7 Buy Now
2	Sunlite Bottom Bracket Set, 24 TPI / 68mm, Silver Buy Now	9.5 Buy Now
3	Alta Bottom Bracket Bearing 5/16x9, For 1 Piece Crank. (2) Buy Now	9.1 Buy Now
4	SRAM GXP Bottom Bracket, Team Cup English 68/73mm Buy Now	8.8 Buy Now
5	SHIMANO BB-UN26 Square Taper Bottom Bracket (68x122.5-mm) Buy Now	8.6 Buy Now
6	Alta Bike Bottom Bracket Set, Multiple Colors and Sizes Buy Now	8.3 Buy Now
7	Wheels Manufacturing 1/4 x 9 Ball Retainer (Bag of 10) Buy Now	8.1 Buy Now
8	Black Ops Mid/USA Dualie Bottom Bracket, 19mm, Black Buy Now	7.8 Buy Now
9	Fuerdi VP-BC73 English Square BB Bike Bottom Bracket Set - 68 x 118mm Buy Now	7.5 Buy Now
10	Salt Rookie BMX Mid Bottom Bracket with Spacers Cones and Sleeve 19mm Black Buy Now	7.2 Buy Now

1. SHIMANO UN55 BB Square Taper Bottom Bracket (68x122.5mm)

• Bottom bracket fit - 68mm bsa of eng
• Sealed cartridge bearings

2. Sunlite Bottom Bracket Set, 24 TPI / 68mm, Silver

• Steel
• Opc
• 24 tpi
• Bearings & cups for one-piece cranks
• 68mm

3. Alta Bottom Bracket Bearing 5/16x9, For 1 Piece Crank. (2)

• Crank bearing

4. SRAM GXP Bottom Bracket, Team Cup English 68/73mm

• Frame interface - for mountain and road bikes with english threading.
• Gutter seal technology - drastically improves sealing against the elements while reducing seal drag and friction.
• Gxp technology - gutter seal design cuts friction, durability and weight improving both feel and performance.
• Shell width - fits 68 or 73-millimeter bracket shells. comes with spacers for 73mm.
• Cranksets - bottom brackets are interchangeable between sram and truvativ cranksets but can only be installed with sram cranks.

5. SHIMANO BB-UN26 Square Taper Bottom Bracket (68x122.5-mm)

• Shimano reference number: bb-un26
• Sealed no service bearings
• Square taper interface
• Plastic left cup

6. Alta Bike Bottom Bracket Set, Multiple Colors and Sizes

• Available colors: chrome, black, gold
• For 1 pc crank
• Sold as set of 9 pieces
• Available sizes: 5/16 x 7, 5/16 x 9
• Fits most beach cruiser, lowrider, chopper bike frames

7. Wheels Manufacturing 1/4 x 9 Ball Retainer (Bag of 10)

• Manufactured in china
• Wheels manufacturing hub bearing retainers
• Bearing model: 1/4" x 9, bearing size: 1/4"

8. Black Ops Mid/USA Dualie Bottom Bracket, 19mm, Black

• 6061-t6 full cnc alloy construction
• Anodized surface finish
• Compatible with both american and mid style bb shells

9. Fuerdi VP-BC73 English Square BB Bike Bottom Bracket Set - 68 x 118mm

• Spindle interface: square taper.
• Package includes:sealed bearing bottom bracket+2 waterproof screw
• Finish: phosphated cups anodized sheath
• For bike type: mountain bike, road racing bike.
• Size:68*118mm.

10. Salt Rookie BMX Mid Bottom Bracket with Spacers Cones and Sleeve 19mm Black

• Bore: 19mm/.750
• Defined color: black
• Bb style: mid
• Bb shell width (mm): 68mm