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ACS Crossfire BB Cup Set, Black
ACS Crossfire BB Cup Set, Black

Forged and CNC-machined aluminum with precision sealed bearings for 2-pc cranks and 24mm spindles BSA 1.37"x24T for 68/73mm shells … read more

31% offretail $54.95 your price $37.99

BuyBuyPART NUM 120402
ACS Crossfire BB Cup Set, Red
ACS Crossfire BB Cup Set, Red

Forged and CNC-machined aluminum with precision sealed bearings for 2-pc cranks and 24mm spindles BSA 1.37"x24T for 68/73mm shells … read more

16% offretail $54.95 your price $45.99 + ships free

BuyBuyPART NUM 351479
ACS 4-prong Universal Tool, For 4-slot Freewheels
ACS 4-prong Universal Tool, For 4-slot Freewheels

AM-5205: universal 4-prong that fit Claws, Fat, Southpaw, Shimano, Dicta, and other 4-slot freewheels Item Specifications description: … read more

StarStarStarStarStar 5 of 5 ( 1 ) 5 of 5 stars ( 1 review )

36% offretail $21.95 your price $13.99

BuyBuyPART NUM 517359
ACS Maindrive Headset, EC34/28.6|EC34/30 Black
ACS Maindrive Headset, EC34/28.6|EC34/30 Black

Forged steel cups, alloy tops, and cap with sealed mechanism bearings Available for 1" (25.4mm) or 1-1/8" (28.6mm) EC (traditional cup) applications … read more

32% offretail $24.95 your price $16.99

BuyBuyPART NUM 585164
ACS Southpaw Freewheel, Left Hand Drive 20t 3/32" Gun Metal
ACS Southpaw Freewheel, Left Hand Drive 20t 3/32" Gun Metal

ACS Southpaw Freewhee … read more

18% offretail $28.00 your price $22.99

BuyBuyPART NUM 560700
ACS Main Drive Headset - Integrated, 1-1/8", Red
ACS Main Drive Headset - Integrated, 1-1/8", Red

MainDrive Integrated Headsets feature CNC machined alloy tops with 45/45 degree sealed mechanism retainer bearings. Item Specifications S.H.I.S. Stem … read more

20% offretail $24.95 your price $19.99

BuyBuyPART NUM 542543
ACS Maindrive, IS42/28.6|IS42/30 Blue
ACS Maindrive, IS42/28.6|IS42/30 Blue

CNC machined alloy tops with sealed mechanism 45/45 degree bearings Available as 1" (25.4mm), 1-1/8"(28.6mm) and 1 1/8" to 1" reducer … read more

StarStarStarStarStar 5 of 5 ( 1 ) 5 of 5 stars ( 1 review )

20% offretail $24.95 your price $19.99

BuyBuyPART NUM 230524
ACS PAWS Tool Hex Style Freewheel Remover
ACS PAWS Tool Hex Style Freewheel Remover

An ACS freewheel remover with a hex-style end that can mount in a bench vise or can be used with a wrench. ACS PAWS 4-prong tool has a reinforcement … read more

StarStarStarStarStar 5 of 5 ( 1 ) 5 of 5 stars ( 1 review )

25% offretail $19.95 your price $14.99

BuyBuyPART NUM 915939
ACS Crossfire Freewheels - Silver
ACS Crossfire Freewheels - Silver

ACS Single-Speed Freewheels Durable cold forged CNC machined freeweheel 3 pawl ingagement for stronger hold with engagement every 12 degreees New … read more

Currently Sold Out

14% off your price $24.99

InfoInfo
ACS PAWS M30 Freewheel, 15T 3/32", Nickel
ACS PAWS M30 Freewheel, 15T 3/32", Nickel

ACS threaded freewheels that are focused on durability for metric thread applications. Three-pawl design provides engagement every 12 degrees … read more

17% offretail $22.99 your price $18.99

BuyBuyPART NUM 260032
ACS MainDrive Integrated 1-1/8" Headset Black
ACS MainDrive Integrated 1-1/8" Headset Black

ACS Maindrive Headsets, Complete Item Specifications Color: Black Material: Steel Crown Race: 30.0 Bearing Type: Sealed Defined Color: Black … read more

StarStarStarStarStar 5 of 5 ( 1 ) 5 of 5 stars ( 1 review )

9% offretail $22.00 your price $20.00

BuyBuyPART NUM 891358
ACS Main Drive 18t 1/8" Freewheel
ACS Main Drive 18t 1/8" Freewheel

ACS Main Drive freewheels, chrome 1/8" in a variety of different sizes. English threads, 1.37" x 24tpi Item Specifications Color: Chrome Intended … read more

StarStarStarStarStar 3 of 5 ( 2 ) 3 of 5 stars average ( 2 reviews )

10% offretail $10.00 your price $8.99

BuyBuyPART NUM 596068
ACS Main Drive 17t 1/8" Freewheel
ACS Main Drive 17t 1/8" Freewheel

ACS Main Drive freewheels, chrome 1/8" in a variety of different sizes. English threads, 1.37" x 24tpi Item Specifications Color: Chrome Intended … read more

StarStarStarStarStar 3 of 5 ( 2 ) 3 of 5 stars average ( 2 reviews )

10% offretail $10.00 your price $8.99

BuyBuyPART NUM 194485
ACS Main Drive 16t 1/8" Freewheel
ACS Main Drive 16t 1/8" Freewheel

ACS Main Drive freewheels, chrome 1/8" in a variety of different sizes. English threads, 1.37" x 24tpi Item Specifications Color: Chrome Intended … read more

StarStarStarStarStar 3 of 5 ( 2 ) 3 of 5 stars average ( 2 reviews )

10% offretail $10.00 your price $8.99

BuyBuyPART NUM 183381
ACS Crossfire Chain 1/8"
ACS Crossfire Chain 1/8"

ACS Crossfire Chains Item Specifications Color: Silver Links: 106 links Number of Speeds: 1 Chain Compatibility: 1/2" x 1/8" Defined Color: Silver … read more

retail $13.95 your price $12.99

BuyBuyPART NUM 396816
ACS Crossfire Chain 3/32"
ACS Crossfire Chain 3/32"

ACS Crossfire Chains Item Specifications Color: Silver Weight: 217g Links: 106links Number of Speeds: 1 Chain Compatibility: 3/32" Defined Color: … read more

retail $13.95 your price $12.99

BuyBuyPART NUM 475807
ACS MainDrive Integrated 1" Headset Black
ACS MainDrive Integrated 1" Headset Black

ACS Maindrive Headsets, Complete Item Specifications Color: Black Material: Steel Crown Race: 27.0 Bearing Type: Sealed … read more

StarStarStarStarStar 5 of 5 ( 1 ) 5 of 5 stars ( 1 review )

your price $22.00

BuyBuyPART NUM 931973
ACS Southpaw Freewheel, 1/8" X 14T - Black/Gold
ACS Southpaw Freewheel, 1/8" X 14T - Black/Gold

Durable CrMo construction with 4-pawl internal engagement system Fits left-hand (LH) threaded hubs only (allows mounting drivetrain on left … read more

Currently Sold Out

your price $17.00

InfoInfo
ACS Southpaw Freewheel, 3/32" X 18T - Gun Metal
ACS Southpaw Freewheel, 3/32" X 18T - Gun Metal

Durable CrMo construction with 4-pawl internal engagement system Fits left-hand (LH) threaded hubs only (allows mounting drivetrain on left … read more

your price $19.00

BuyBuyPART NUM 965670
ACS Crossfire BB Cup Set, Gold
ACS Crossfire BB Cup Set, Gold

Forged and CNC-machined aluminum with precision sealed bearings for 2-pc cranks and 24mm spindles BSA 1.37"x24T for 68/73mm shells … read more

your price $49.95 + ships free

BuyBuyPART NUM 824658

These models are available for online purchasing and can be shipped directly to you.

Length

The bottom bracket shell width is the width, in millimeters, of the frame where the bottom bracket is mounted.

Bottom brackets must fit the frames interface type. For example, an english threaded bottom bracket can only be installed on a frame that accepts english threading.

FSA’s MegaExo spindle is 24mm in diameter, uses a “Square Spline”. FSA Spline Patterns

FSA’s MegaExo Light spindle is 24mm in diameter, uses an “Arc Spline,” and is used on K-Force Light, SL-K Light, and the Team Issue cranks. FSA Spline Patterns

Shimano Hollowtech II is Shimano's 24mm spindle standard.

RaceFace EXI bottom brackets are for 24mm spindle cranks.

We define color as the main color of the item. It may have accents or highlights in other colors.

S.H.I.S clamp diameter is the steerer tube diameter.

S.H.I.S Lower

S.H.I.S Upper

Crown Race

Chainring Teeth

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