Apex AXS

SRAM Apex AXS FAQ articles

• Do I need to do anything different when washing a bike with AXS components?
While AXS components can withstand awide range of weather and riding conditions,each component should be treated the sameway you would treat ball bearing equippedcomponents such as a hub, headset, ... See more
• Will an Apex Flattop road chain work on a SRAM Eagle drivetrain?
No. A Flattop chain is not compatible with anEagle drivetrain. Always be sure to use thecorresponding chain and cassette with theappropriate rear derailleur for an AXSdrivetrain system. See more
• Can I use a BlipBox with Apex AXS rear derailleurs?
Yes, you can! AXS electronic shifters/controllers and a BlipBox can be used on AXS drivetrains at the same time. See more
• Can I pair the Apex AXS rear derailleur with a front derailleur to make a super wide 2x drivetrain?
No. The Apex AXS rear derailleur is 1xspecific and will not work with a frontderailleur and 2x crankset. See more
• Are Apex AXS components compatible with other SRAM AXS components, like SRAM RED or Force eTap AXS parts?
Many parts are cross-compatible betweenSRAM RED, Force, and Rival eTap AXSsuch as: 12-speed Flattop chains, 12-speedcassettes, 1x cranksets, shifter controls, andpower meters. See the compatibility... See more
• Can I pair my Apex AXS drivetrain to my Hammerhead head unit?
You can pair a SRAM AXS drivetrain to yourKaroo 2 as you would pair any other sensor.(However, try to pair other sensors after youpair your or SRAM AXS drivetrain and not atthe same time as this wi... See more
• Can I customize the settings of my Apex AXS drivetrain?
Yes. The SRAM AXS app allows riders to seebattery status, change component behavior,personalize controls, and update firmware See more
• Can I change (assign) shifter functions in the AXS app (e.g. move the derailleur outboard with a left shifter click)?
Yes, the AXS app allows you to customize your shift paddle functions as well as the functions of optional remote Wireless Blip shift buttons. See our article on how to customize your shift actions ... See more
• Has the battery life changed or improved?
Firmware updates have improved battery lifeacross all AXS systems. See more
• Do the Apex XPLR rear derailleurs have a clutch mechanism?
Apex XPLR rear derailleurs are equipped with a spring clutch for excellent chain retention. This allows the derailleur to be easily pulled back by hand to clear the cassette when the wheel is remov... See more
• What is the max cog size that is compatible with Apex rear derailleurs?
The Apex XPLR AXS rear derailleur is designed specificallyfor 1x and will work with 11-44T, 10-44T, and10-36T cassettes only. The Apex XPLRmechanical rear derailleur is designedspecifically for 1x ... See more
• Are SRAM Road 12-speed Flattop chain PowerLocks different from SRAM Eagle 12-speed PowerLocks?
Yes they are. Eagle PowerLocks canbe easily differentiated from FlattopPowerLocks. Eagle PowerLocks have theword, “Eagle” stamped on the side. SRAMFlattop PowerLocks are stamped “SRAMPLCK-D1”. See more
• How do I size a chain for a 1x Apex drivetrain?
Wrap the chain around the large chainringand largest cassette cog with the flatedge facing away from the chainring andcassette. Add two inner links and two outerlinks where the chain starts to over... See more
• Are special chain tools, chain pliers, or chain whips required to work on Apex 12-speed drivetrains?
Complete tool information below. SRAMhas confirmed the following tools arecompatible with RED, Force, Rival, andApex Flattop chains:CHAIN BREAKER TOOLS:• Abbey Decade Chain Tool• Fabric Chain Split... See more
• Are SRAM Eagle Transmission chains compatible with 12-speed Apex AXS chainrings?
Yes, if you use an Eagle Transmission rear derailleur, T-type chain, and cassette on a UDH-specific frame. See more
• What driver body does the Apex 11-44T cassette use?
The Apex 11-44T cassette uses an HG style11-speed driver body. See more
• What cassette sizes are compatible with Apex rear derailleurs?
The Apex XPLR AXS rear derailleur isdesigned specifically for 1x and will workwith 11-44T, 10-44T, and 10-36T cassettesonly. The Apex XPLR mechanical rearderailleur is designed specifically for 1xa... See more
• What chainring size options do you offer for Apex cranksets?
For Apex 1x cranksets, we offer directmount style chainrings in 38T, 40T, and 42T See more
• Is there a power meter option for Apex drivetrains?
Yes, we offer a spindle based powermeter as an upgrade kit: $220US / £205/ €230/$380AUD* See more
• What bottom bracket interface standards are the Apex cranksets designed to work with?
Apex cranksets work with DUB bottombracket bearings that come in a variety offrame standards:• BB DUB BSA ROAD68• BB DUB PF ROAD86.5• BB DUB BB30 ROAD68• BB DUB PF30 ROAD68• BB DUB BB386• BB DUB PF... See more
• What is the chain line of the Apex AXS and mechanical crankset/chainrings?
The chainline for Apex cranksets is 47.5mm. See more
• Is there a flat bar style controller or shifter for Apex AXS or Apex mechanical 12-speed drivetrains?
Yes! For Apex AXS drivetrains, use any flatbar AXS controller to shift your rear derailleur. For Apex mechanical setups, Eagle trigger or twist shifters are compatible with both Apex mechanical and... See more
• What kind of brake fluid does the Apex hydraulic disc brake use?
Apex hydraulic disc brakes ship with DOT 5.1disc brake fluid. They are compatible withDOT 5.1 or DOT 4 disc brake fluid. See more
• Is there a post mount style brake caliper available for Apex hydraulic brake calipers?
No, Apex calipers are offered in flat mount style brake calipers only. The Apex system is compatible with many Level MTB calipers, as a post mount style option, which are available separately. SRAM... See more
• What type of brake pads are required for the Apex AXS HRD and Apex mechanical HRD disc brakes?
The Apex disc brake calipers use the same pad type as AXS 2-piece calipers. You can find replacement pads in organic and metal sintered compounds. In the Service Hub you can find the current spare ... See more
• What size disc brake rotors does SRAM recommend?
We suggest 160mm rotors for gravel and roadapplications and 140mm for closed circuitapplications such as cyclocross. See more
• Are 12-speed Apex AXS and mechanical shifters compatible with 11- speed components?
No. Apex AXS and Apex mechanical shifters are 12-speed specific, and are not compatiblewith 11-speed drivetrain parts. See more
• Are Apex AXS shift levers compatible with Eagle AXS rear derailleurs?
Yes. AXS allows you to mix and match road and MTB AXS drivetrain components as long as you use the compatible cassette and chain for your rear derailleur. Check out the AXS Component Compatibility ... See more
• Are wired Blip and Clic buttons compatible with Apex AXS shift-brake levers?
No. For remote shifting options with Apex AXS levers, please use Wireless Blips. You can pair up to four sets (eight Wireless Blips) per bike. See more
• Does the Apex AXS shift-brake lever offer reach adjust?
Yes. Use a 2.5 mm hex wrench to rotate the brake lever reach adjust clockwise to bring the lever closer to the bar, or counterclockwise to move the lever away from the bar. The 2.5mm hex is located... See more