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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 South Paw
ACS South Paw

Chromoly steel 16T. Works with 1/8" chains. Compatible with Left Hand Drive hubs only. (4 prong) … read more

Currently Sold Out

your price $16.99

InfoInfo
ACS Maindrive, ACS IS38/25.4|IS38/26 Blue
ACS Maindrive, ACS IS38/25.4|IS38/26 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 )

your price $16.99

BuyBuyPART NUM 401605
ACS Maindrive, IS38/25.4|IS38/26 Red
ACS Maindrive, IS38/25.4|IS38/26 Red

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 )

your price $16.99

BuyBuyPART NUM 732929
ACS Maindrive Headset, EC34/28.6|EC34/30 Blue
ACS Maindrive Headset, EC34/28.6|EC34/30 Blue

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

your price $16.99

BuyBuyPART NUM 175953
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, 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 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 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 Maindrive Headset, IS42/25.4 - IS42/26 Black
ACS Maindrive Headset, IS42/25.4 - IS42/26 Black

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 )

your price $19.99

BuyBuyPART NUM 590612
ACS Maindrive Headset, EC30/25.4|EC30/26 Blue
ACS Maindrive Headset, EC30/25.4|EC30/26 Blue

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

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

your price $19.99

BuyBuyPART NUM 503391
ACS Maindrive Headset, EC34/28.6|EC34/30 Red
ACS Maindrive Headset, EC34/28.6|EC34/30 Red

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

your price $19.99

BuyBuyPART NUM 937391
ACS Fat Freewheel (3/16")
ACS Fat Freewheel (3/16")

Chromoly steel freewheel, Designed to work with 3/16" HEAVY DUTY chain . (4 prong) Bronze … read more

Currently Sold Out

your price $19.99

InfoInfo
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 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 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

These products are one of our best sellers.

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

Chainring Teeth

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

Buy this product and your entire order ships for free.

Some orders are inelligible for delivery discounts. See offer details for disqualifying products and destinations.