ACS
Refine your search
You may filter this list of products by category.
Contact Modern Bike via email, telephone, or showroom visit.
learn more
You may check the order status of a recent purchase to learn if it has been delayed, when it may ship, or if it has already been shipped.
check order status
Your Shopping Cart contains 0 products. View your cart to change product quantities, apply deal codes, or checkout.
Sort
Showing 36 products:
ACS PAWS 4.1 Freewheel, 18T 3/32", Nickel 
BuyPART NUM 578513
ACS threaded freewheels that are focused on durability for standard thread applications. Nickel plated sprocket ring fits 1/8" and 3/32" chains … read more
popular
In Store
ACS 63858-0000your price $22.99
BuyPART NUM 578513 
ACS PAWS 4.1 Freewheel, 16T 3/32", Nickel BuyPART NUM 305165
ACS threaded freewheels that are focused on durability for standard thread applications. Nickel plated sprocket ring fits 1/8" and 3/32" chains … read more
your price $22.99
BuyPART NUM 305165 
ACS PAWS 4.1 Freewheel, 22T, Nickel BuyPART NUM 510491
ACS threaded freewheels that are focused on durability for standard thread applications. Nickel plated sprocket ring fits 1/8" and 3/32" chains … read more
your price $22.99
BuyPART NUM 510491 
ACS PAWS 4.1 Freewheel, 20T 3/32", Nickel BuyPART NUM 786607
ACS threaded freewheels that are focused on durability for standard thread applications. Nickel plated sprocket ring fits 1/8" and 3/32" chains … read more
your price $22.99
BuyPART NUM 786607 
ACS PAWS M30 Freewheel, 13T 3/32", Nickel
5 of 5
( 1 )
5 of 5 stars
( 1 review )
BuyPART NUM 813725
ACS threaded freewheels that are focused on durability for metric thread applications. Three-pawl design provides engagement every 12 degrees … read more
5 of 5
( 1 )
5 of 5 stars
( 1 review )
your price $24.99
BuyPART NUM 813725 
ACS PAWS M30 Freewheel, 14T 3/32", Nickel BuyPART NUM 696813
ACS threaded freewheels that are focused on durability for metric thread applications. Three-pawl design provides engagement every 12 degrees … read more
your price $22.99
BuyPART NUM 696813 
ACS PAWS 4.1 Freewheel, 17T 3/32", Nickel BuyPART NUM 195354
ACS threaded freewheels that are focused on durability for standard thread applications. Nickel plated sprocket ring fits 1/8" and 3/32" chains … read more
your price $22.99
BuyPART NUM 195354 
ACS Crossfire Freewheel Removal Tool
5 of 5
( 1 )
5 of 5 stars
( 1 review )
BuyPART NUM 714961
Cold forged ACS freewheel removal tool … read more
5 of 5
( 1 )
5 of 5 stars
( 1 review )
Lowest Priceyour price $17.99
BuyPART NUM 714961 
ACS Crossfire Chain 3/32" BuyPART NUM 475807
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
BuyPART NUM 475807 
ACS Main Drive 16t 1/8" Freewheel
3 of 5
( 2 )
3 of 5 stars average
( 2 reviews )
BuyPART NUM 183381
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
3 of 5
( 2 )
3 of 5 stars average
( 2 reviews )
10% offretail $10.00 your price $8.99
BuyPART NUM 183381 
ACS Crossfire BB Cup Set, Gold BuyPART NUM 824658
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
Ships Freeyour price $49.95 + ships free
BuyPART NUM 824658 
ACS Main Drive 18t 1/8" Freewheel
3 of 5
( 2 )
3 of 5 stars average
( 2 reviews )
BuyPART NUM 596068
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
3 of 5
( 2 )
3 of 5 stars average
( 2 reviews )
10% offretail $10.00 your price $8.99
BuyPART NUM 596068 
ACS PAWS Tool Hex Style Freewheel Remover
5 of 5
( 1 )
5 of 5 stars
( 1 review )
BuyPART NUM 915939
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
5 of 5
( 1 )
5 of 5 stars
( 1 review )
25% offretail $19.95 your price $14.99
BuyPART NUM 915939 
ACS Southpaw Freewheel, 3/32" X 18T - Gun Metal BuyPART NUM 965670
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
BuyPART NUM 965670 
ACS MainDrive Integrated 1" Headset Black
5 of 5
( 1 )
5 of 5 stars
( 1 review )
BuyPART NUM 931973
ACS Maindrive Headsets, Complete Item Specifications Color: Black Material: Steel Crown Race: 27.0 Bearing Type: Sealed … read more
5 of 5
( 1 )
5 of 5 stars
( 1 review )
your price $22.00
BuyPART NUM 931973 
ACS Main Drive 17t 1/8" Freewheel
3 of 5
( 2 )
3 of 5 stars average
( 2 reviews )
BuyPART NUM 194485
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
3 of 5
( 2 )
3 of 5 stars average
( 2 reviews )
10% offretail $10.00 your price $8.99
BuyPART NUM 194485 
ACS Maindrive Headset, EC30/25.4|EC30/26 Black BuyPART NUM 512751
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 $24.95
BuyPART NUM 512751 
ACS Maindrive Headset, EC34/28.6|EC34/30 Black BuyPART NUM 585164
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
10% offretail $24.95 your price $22.46
BuyPART NUM 585164 
ACS Crossfire Chain 1/8" BuyPART NUM 396816
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
BuyPART NUM 396816 
ACS Crossfire BB Cup Set, Red BuyPART NUM 351479
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
BuyPART NUM 351479 
These products are one of our best sellers.
In Store products are available to view in our showroom. In Store orders usually ship the same or next business day.
These models are available for online purchasing and can be shipped directly to you.
Chainring Teeth
This is the part number or identifier for this item from the manufacturer
Our Lowest Price - This product is ineligible for additional discounts or rebates.
Bike Matrix ID
Bike Matrix Category
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.
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
FSA’s MegaExo spindle is 24mm in diameter, uses a “Square Spline”. 
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.
Shimano Hollowtech II is Shimano's 24mm spindle standard.
RaceFace EXI bottom brackets are for 24mm spindle cranks.
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.