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Bottom Brackets

FSA (Full Speed Ahead) MegaExo 19 bottom brackets are for use with 19mm diameter spindles. - For Alloy Cranks with MegaExo 19 BB-AL86/19/SLE - Spindle Interface Type: FSA MegaExo 19 - BB Shell Width: 86mm - Bottom Bracket Shell I.D.: 41 - BB/Frame Interface: BB86
The Dynatron features an American BB with press fit cups and caged bearings. - Compatible with 1-piece cranks - Frame BB Shell is 68mm width by 51.5mm inner diameter - BB Style: American
Aluminum cups - Fits BB86 and BB92 - Includes shims for GXP - SHIMANO Equivalent SMBB-72-41B / SMBB-71-41A - Shell: 86mm - Spindle Type: HT2/GXP - Weight: 103g
The SRAM DUB bottom bracket series has a simple job—to connect crankarms and protect the smooth, long-lasting application of power to the drivetrain. SRAM engineered the oversized DUB spindle to work across every bottom bracket standard, simplifying crankarm compatibility. - Gutter Seal Technology drastically improves sealing against the elements - Sealed cartridge bearings - One oversized spindle to work across every bottom bracket standard
- Fits 3-piece crank set - Includes right and left cup, lockring and bearings - English type - Shell: 68/73mm - Cup Material: Steel - Weight: 123 grams
- With plastic washers - Shell: 8mm Allen head axle bolt
- One-piece bottom bracket cup set - Bearings included - Fits smaller american juvenile/youth sized BB - Shell: 65mm - Cup Material: Steel - Weight: 173 grams
- Replacement fat bike bottom bracket with square-taper chromoly spindle - Sealed bearings - Steel shell and cups - 120mm shell width - 180mm spindle length - 1.37" x 24T English thread
Wheels Mfg solution for running a 30mm spindle crankset in a BSA threaded frame. Machined aluminum cups thread in to a standard threaded frame and feature Enduro 6806 ABEC-3 sealed bearings outboard of the BB shell. Fully serviceable. Notes: - For use with BB30 Wide 30mm diameter cranks with a spindle length of at least 104mm. - Will not work with standard BB30 cranksets. PLEASE MEASURE YOUR BB30 CRANK SPINDLE LENGTH! - Use only bottom bracket tools compatible with 16-notch MegoEvo BB’s. (FSA MegaEvo and Park Tool BBT-29). - Bearings: Enduro Angular Contact - Color: Black - Bottom Bracket/Frame Interface: ISO/English or BSA Threaded (1.37 in x 24 TPI) - Bottom Bracket Shell Width (mm): 68mm - Bottom Bracket Shell I.D.: 33.6-33.9 mm - Crank Spindle Type: BB30 Wide, BB30a, 386EVO, Rotor 3D+, SRAM BB30 Wide - Crank Spindle Diameter: 30mm - Crank Spindle Length: At least 104mm - Weight: 100g
$7.99
- Fits 3-piece crank set - Includes right and left cup, lockring and bearings - English type - Shell: 68/73mm - Cup Material: Steel - Weight: 123 grams
$9.99
Dimension American bottom bracket for one-piece cranks. - Include cups, bearings and cones - 24 tpi
$10.69
- Thread: BC 1.37 x 24T - Caged bearing 1/4" x 9 - Fits most square taper cotterless BB axles - Spindle Type: SQR JIS - Cup Material: Steel
$11.58 - $28.99 $23.39 - $28.99 Up to 50% Off
Shimano's BB-UN55 Square Spindle Bottom Brackets are the unofficial standard for English-threaded cartridge bottom brackets. Quality, value, and durability come together to keep you cranking for many, many miles. - Fits JIS Square-Taper Cranksets - Hollow spindle - Crankarm fixing bolts not included
$12.99 - $15.99
BB-UN26 cartridge bottom bracket. - Smooth rotation - Square taper spindle - Sealed cartridge bearing assembly
$13.99
Cartridge-style bottom bracket for use with E-Type front derailleurs. - Smooth rotation - Square taper spindle - Sealed cartridge bearing assembly
$14.00
- One-piece bottom bracket cup set - Bearings included - Shell: 68mm - Spindle Type: OPC - Cup Material: Steel - Weight: 265 grams
$15.99
- Simple and reliable square taper bottom bracket - Replaces both BB-UN26 and BB-UN55 - Sealed cartridge bearings - Cr-Mo axle - For bicycles equipped with a chain case, select BB-UN300-K - For E-type front derailleur compatibility, choose BB-UN300-E - Fixing bolts not included; Shimano FC-E6000 bolts suggested
$15.99
- Simple and reliable square taper bottom bracket - Replaces both BB-UN26 and BB-UN55 - Sealed cartridge bearings - Cr-Mo axle - For bicycles equipped with a chain case, select BB-UN300-K - For E-type front derailleur compatibility, choose BB-UN300-E - Fixing bolts not included; Shimano FC-E6000 bolts suggested
$15.99
- Simple and reliable square taper bottom bracket - Replaces both BB-UN26 and BB-UN55 - Sealed cartridge bearings - Cr-Mo axle - For bicycles equipped with a chain case, select BB-UN300-K - For E-type front derailleur compatibility, choose BB-UN300-E - Fixing bolts not included; Shimano FC-E6000 bolts suggested
$15.99 - $22.99
- Steel body - Steel cups - Chromoly spindle - Sealed bearings - Interface: English - Square Taper JIS - Weight: 305-320 grams
$16.85 - $25.00 $25.00 Up to 33% Off
TruVativ Power Spline Bottom Bracket fits proprietary powerspline design popular as OE spec with many moderate-price TruVativ cranks. • Proprietary spline design popular as OE spec with many moderate-price TruVativ cranks • Crank bolts are included
$17.95
- Adapts ISCG-05 mount chainguide arms to fit flange or lockring style bottom brackets
$17.99
- Designed for fat tire bikes - Chromoly spindle - Sealed bearings
$18.00 - $19.00 $18.00 - $25.99 Up to 27% Off
FSA PowerPro JIS Cartridge Bottom Brackets. - Includes bolts - Spindle Interface Type: Square Taper JIS - BB Shell Width (mm): 68 - BB/Frame Interface: English
$18.99
- Bottom bracket for one-piece crank - Sealed mechanism - 24 TPI - Spindle Type: One piece - Cup Material: Steel - Weight: 310-315g - Cup Type: Press Fit - Cup OD/Bearing OD: 51mm
$18.99
Race Face bottom bracket spacer kit for 124-130mm bottom brackets.
$18.99 - $20.99
Shimano BB-ES300 Octalink V2 Bottom Brackets - Fits Shimano Octalink V2 Spline Cranksets - Crankarm fixing bolts not included
$19.99
High performing square bottom bracket interfaces with English frames. - Fits square-taper spindle cranksets - Alloy adjustable cups - Includes 2 axle bolts
$19.99
- Deore-level BB92 press-fit Hollowtech II bottom bracket - Compatible with all mountain Hollowtech II cranks
$22.99
The Revolver bottom bracket features two sealed bearings and 6061 Alloy CNC machined cone spacers with weight-saving tear-drop slots. - Precision sealed bearings - Swaged waist tube spacer for 73mm BB shells - Spindle size: 19mm or 22mm - Shell Size: Mid - Tube Spacer: Swaged waist with 5mm spacer - Spacers: 2.5mm alloy (x4) - Weight: 4.0-ounce
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