(949) 535-3742
ROTOR BB1 BSA 24MM Road Bottom Bracket
March 6, 2026Price range: $50.00 through $135.00
Fits BSA threaded shells and works with ROTOR and Shimano 24mm cranksets
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ROTOR BB1 BSA 24MM Road Bottom Bracket
The ROTOR BB1 BSA 24MM Road Bottom Bracket fits BSA threaded shells and is designed to work with ROTOR and Shimano 24mm cranksets. The ROTOR BSA 24MM Bottom Bracket features Enduro bearings housed in a BB shell that is precision-manufactured. The steel version (most popular model) weighs 93 grams and the ceramic version weighs 91 grams.
ROTOR Bottom Bracket Comparison
| Model | Bearings | Price | Shell | Cranksets | Weight |
| ROTOR BSA 30MM Bottom Bracket | Steel | Ceramic | Steel: $65 | Ceramic: $200 | Fits BSA (English) threaded 68/73 mm shells | Fits 30 mm cranksets | Steel: 96 grams | Ceramic: 89 grams |
| ROTOR ITA 30 Bottom Bracket | Steel | Ceramic | Steel: $65 | Ceramic: $200 | Fits ITA Threaded 70 mm frames | Fits 30 mm cranksets | Steel: 54 grams | Ceramic: 49 grams |
| ROTOR BB1 BSA 24MM Road Bottom Bracket | Steel | Ceramic | Steel: $50 | Ceramic: $135 | Fits BSA (English) threaded 68 mm shells | Fits 24 mm cranksets | Steel: 93 grams | Ceramic: 91 grams |
| ROTOR T47 30MM Bottom Bracket | Steel | Ceramic | Steel: $65 | Ceramic: $200 | Fits T47 68 and 73 mm shells | Fits 30 mm cranksets | Steel: 103 grams | Ceramic: 97 grams |
| ROTOR T47 24MM Bottom Bracket | Steel | Ceramic | Steel: $65 | Ceramic: $200 | Fits T47 68 and 73 mm shells | Fits 24 mm cranksets | Steel: 120 grams | Ceramic: 113.5 grams |
| ROTOR UBB 4630 Bottom Bracket | Steel | $115 | Available for PF30, BBRight and 386 EVO frames | Fits 30 mm cranksets | 106 grams | 109 grams | 109 grams |
| ROTOR Press Fit 4130 Bottom Bracket | Steel | Ceramic | Steel: $50 | Ceramic: $200 | Fits PressFit 86/89/92 mm shells | Fits 30 mm cranksets | Steel: 54 grams | Ceramic: 49 grams |
| ROTOR Press Fit 4630 Bottom Bracket | Steel | Ceramic | Steel: $65 | Ceramic: $175 | Fits PF30, BBRight or 386 EVO shells | Fits 30 mm cranksets | Steel: 106 grams | Ceramic: 100 grams |
| ROTOR Track BSA Threaded Bottom Bracket | Steel | $105 | Fits BSA (English) threaded 68 mm shells | Available for 24 mm and 30 mm cranksets | 108 grams | 119 grams |
Compatibility
- Shell: Compatible with BSA (English) threaded 68 mm road shells
- Crankset: Fits 24 mm road cranks
Specs
- Shell Width: 68 mm
- Type: English (BSA) Threaded
- Axle Size: 24 mm
- Weight: Steel - 93 grams | Ceramic - 91 grams
- Bearings: Durable bearings for smooth action
Tools Needed for Installation
You will need the following tool for installation of this product.
Q&A
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