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Bike Groupsets & Build Kits for Complete Drivetrain Upgrades
Upgrade your bike with high-quality groupsets and build kits designed for smooth shifting, reliable braking, and complete drivetrain performance. A bike groupset is a collection of key components that control gearing and braking, typically including shifters, derailleurs, cranksets, cassettes, chains, and brake systems.
Our collection includes complete build kits and groupsets for road bikes, mountain bikes, gravel bikes, and commuter bicycles. Popular manufacturers such as Shimano, SRAM, and Campagnolo offer groupsets in different performance levels, ranging from entry-level setups to professional racing components.
Groupsets are available in mechanical and electronic shifting systems, with options for different speed configurations and riding styles. Mechanical groupsets are known for durability and easy maintenance, while electronic systems provide faster and more precise gear changes. Build kits are ideal for custom bike projects, full drivetrain replacements, or upgrading worn components to improve overall ride quality and efficiency.
When choosing a groupset or build kit, consider drivetrain compatibility, number of gears, brake type, and riding discipline. The right setup improves shifting accuracy, braking control, and long-term cycling performance for every type of rider.
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23 products
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$2,999.00
The pinnacle of cross-country cycling performance can be found in the XX SL T-Type Eagle AXS Transmission Groupset.
• XX SL Threadmount Power Meter
• 34T chainring
• XX SL T-Type Eagle Transmission derailleur
• 10-52t XX SL Eagle Transmission cassette
• XX SL Transmission Flattop chain
• Pod Ultimate controller
• AXS battery/USB-C charger
• GS-XX-SLE-D2
Receives in 6 days.
From $1,155.00
The XX SL Eagle AXS Transmission Power Meter Crankset combines the XX SL crank arm with an integrated power meter. All-new spider design uses a proprietary chainring mount system which reduces weight without compromising reliability. Dual sided power measurement calculates total watts. It is also compatible with the Flight Attendant system, allowing for total connectivity between all AXS enabled components.
• Compatible with Flight Attendant.
• +/- 1.5% accuracy.
• User replaceable CR2032 battery 200-hour battery life.
• Bluetooth low energy technology and ANT+ wireless data transfer.
• AxCad -- no cadence magnet required.
• Waterproof (IPX7 waterproof to 1 meter for 30 minutes).
• SRAM Model ID: FC-XX-SLP-D1
Receives in 6 days.
From $1,759.00
With the perfect balance of robustness and weight savings, the XX Eagle AXS E-Bike Transmission groupset has the strength to handle big enduro days with the weight to make it manageable.
• Bashguard compatible
• XX Eagle Transmission derailleur
• 10-52T XX Eagle Transmission cassette
• XX Transmission Flattop chain
• Pod Ultimate controller
• AXS battery/USB-C charger
• SRAM Model ID: GS-XX-EPA-D2
Receives in 6 days.
$2,299.00
With the perfect balance of robustness and weight savings, the XX T-Type AXS Transmission groupset has the strength to handle big enduro days with the weight to make it manageable. X-SYNC technology and cassette mapping create seamless shifts even during your hardest power output. For more rugged terrain the XX rings are compatible with removable bashguards.
Includes:
• XX T-Type Eagle Transmission derailleur
• XS-1297 10-52T XX Eagle Transmission cassette
• XX Transmission Flattop chain
• Pod Ultimate controller
• XX Eagle Transmission T-Type crankset with 32T chainring
• AXS battery/charger
• SRAM Model ID: GS-XX-E-D1
Receives in 6 days.
$2,499.00
With the perfect balance of robustness and weight savings, the XX T-Type AXS Transmission groupset has the strength to handle big enduro days with the weight to make it manageable. X-SYNC technology and cassette mapping create seamless shifts even during your hardest power output. For more rugged terrain the XX rings are compatible with removable bashguards.
“DUB-PWR” houses Quarq’s reliable and accurate power measurement inside the DUB crank spindle itself. Measuring left-side power to calculate total watts, it’s subtle, lightweight, and compatible with any chainring setup. It is also compatible with the Flight Attendant system.
Includes:
• XX T-Type Eagle Transmission derailleur
• XS-1297 10-52T XX Eagle Transmission cassette
• XX Transmission Flattop chain
• Pod Ultimate controller
• XX Eagle Transmission T-Type crankset
• AXS battery/charger
• SRAM Model ID: GS-XX-E-D1
Receives in 6 days.
$1,999.00
The XX Eagle AXS E-Bike Transmission groupset has the strength to handle big enduro days with the weight to make it manageable. Eagle Transmissions take a holistic approach to a bicycle shifting, an entire system synchronized, providing you with a superior ride experience. Shifting under load is made possible on the XX cassette due to a combination of X-SYNC technology and cassette mapping, creating seamless shifts even during your hardest power output. Featuring a click and fire two-button design, The AXS Pod Ultimate transforms the crucial act of rider inputs into a vastly more personal experience for all your AXS controls.
• Includes clip-on guard
• Bashguard compatible
• XX Eagle Transmission derailleur
• 10-52T XX Eagle Transmission cassette
• XX Transmission Flattop chain
• Pod Ultimate controller
• AXS battery/charger
• -01 (Brose) Not compatible with Specialized Levo Gen3
• SRAM Model ID: GS-XX-EPA-D1
Receives in 6 days.
$2,399.00
The pinnacle of cross-country cycling performance can be found in the XX SL T-Type Eagle AXS Transmission Groupset.
• 34T chainring
• XX SL T-Type Eagle Transmission derailleur
• 10-52t XX SL Eagle Transmission cassette
• XX SL Transmission Flattop chain
• Pod Ultimate controller
• AXS battery/USB-C charger
• GS-XX-SLE-D2
Receives in 6 days.
$2,399.00
The pinnacle of cross-country cycling performance can be found in the XX SL T-Type Eagle AXS Transmission Groupset. Eagle Transmission offers the best-ever inboard and outboard shifting performance under load. Thanks to full X-SYNC design, the harder you pedal, the better it shifts.
Includes:
• XX SL T-Type Eagle Transmission derailleur
• XS-1299 10-52t XX SL Eagle Transmission cassette
• XX SL Transmission Flattop chain
• Pod Ultimate controller
• XX SL Transmission crankset
• AXS battery/charger
• SRAM Model ID: GS-XX-SLE-D1
Receives in 6 days.
From $1,429.00
X0 Eagle AXS E-Bike Transmission groupset is a ruggedly dependable transmission for your enduro needs. Eagle Transmissions take a holistic approach to a bicycle shifting, an entire system synchronized, providing you with a superior ride experience. Shifting under load is made possible on the X0 cassette due to a combination of X-SYNC technology and cassette mapping, creating seamless shifts even during your hardest power output. Featuring a click and fire two-button design, The AXS Pod Ultimate controller transforms the crucial act of rider inputs into a vastly more personal experience for all your AXS controls.
• Includes clip-on guard
• Bashguard compatible
• X0 Eagle Transmission derailleur
• 10-52T X0 Eagle Transmission cassette
• X0 Transmission Flattop chain
• Pod Ultimate controller
• AXS battery/charger
• -01 (Brose) Not compatible with Specialized Levo Gen3
• -02 (Bosch) Not compatible with Specialized Levo Gen3
• -03 4Bolt, 104mm, Compatible with Specialized Levo Gen3
• SRAM Model ID: GS-X0-EPA-D1
Receives in 6 days.
$1,759.00
Ruggedly dependable transmission for your enduro needs, the X0 T-Type AXS Transmission groupset is SRAM's most robust high-performance transmission. Fully approved for E-MTB use with solid pins. Featuring a “click and fire” two-button design, The AXS Pod ULT transforms the crucial act of rider inputs into a vastly more personal experience for all your AXS controls.
• 32T chainring
• Bashguard compatible
• X0 T-Type Eagle Transmission derailleur
• 10-52T X0 Eagle Transmission cassette
• X0 Transmission Flattop chain
• Pod Ultimate controller
• AXS battery/USB-C charger
• SRAM Model ID: GS-X0-E-D2
Receives in 6 days.
From $1,429.00
• Bashguard compatible
• X0 Eagle Transmission derailleur
• 10-52T X0 Eagle Transmission cassette
• X0 Transmission Flattop chain
• Pod Ultimate controller
• AXS battery/USB-C charger
• SRAM Model ID: GS-X0-EPA-D2
Receives in 6 days.
$1,759.00
The X0 T-Type AXS Transmission groupset is SRAM's most robust high-performance transmission, and takes a holistic approach to a bicycles shifting.
• X-SYNC technology and cassette mapping create seamless shifts even during your hardest power output.
• V2 crankset has one-piece arm/spindle for even more weight savings
• X0 chainrings are compatible with removable bashguards for rugged terrain.
• X0 Eagle Transmission Flattop chain features a Dark Polar finish specific to X0, has been plated with electroless nickel, and comes with a PVD coating for unbelievable resistance to corrosion and wear.
• Fully approved for E-MTB use.
Includes:
• Rear derailleur with battery and charger
• POD Ultimate
• X0 crank V2 with 32t ring and 2 guards
• 126 link X0 T-Type chain
• XS-1295 10-52T cassette
• SRAM Model ID: GS-X0-E-D1
Receives in 6 days.
$359.99
• Designed for rough and rocky rides on big bikes with 200mm of travel
• Like it steep, fast and enjoy breathtaking airtime
• Carbon fiber upper housing & advance lever position with brake lever
• Carbon fiber cage & Upper link
• G-Spec Ratchet Clutch
• G-Spec finishing touches
• Sealed cartridge bearings pulleys
• 12 speed
Receives in 6 days.
$400.50
• Complete NX Eagle DUB Groupset
• Includes rear derailleur, trigger shifter, DUB Crankset with 32t chainring, chain, XG-1230 11-50t cassette, and chaingap gauge
• Bottom bracket not included
• SRAM Model ID: GS-NX-1-A1
Receives in 6 days.
From $1,049.00
The GX Eagle no-compromise, budget minded ethos is modernized for a new generation of e-bikes. The GX Eagle Transmission derailleur features things like removable skid plates for better protection and serviceability. Even on an e-bike you are now able to shift under load thanks to a combination of X-SYNC technology and cassette mapping, creating seamless shifts even during your hardest power output. Specifically engineered to optimize Eagle Transmission, this all-new T-Type design features a unique flat top, and is developed specifically for the added torque loads of E-MTB thanks to its solid pins that give it incredible strength.
• GX Eagle Transmission derailleur
• 10-52T GX Eagle Transmission cassette
• GX Transmission Flattop chain
• Pod controller
• AXS battery/charger
• SRAM Model ID: GS-GX-EPA-D1
Receives in 6 days.
$605.00
Upgrade from mechanical T-Type drivetrains to a wireless AXS system as simply as possible.
• Includes an AXS-enabled derailleur body, AXS battery, charger, and Pod Controller
• Simply remove the threaded cage assembly and mount bolt from your mechanical Eagle 90 or 70 derailleur, and reinstall on the new GX Eagle Transmission derailleur body.
• Included Eagle T-Type PowerLock gives you peace of mind when re-installing the chain.
• Threaded cage assembly and derailleur mount bolt not included. Re-use these from Eagle 90 or Eagle 70 derailleur
• Hangerless Interface (UDH) frame compatibility only
• T-Type Component compatibility only
• SRAM Model ID: RD-UPK-GXTE-A1
Receives in 6 days.
$1,199.00
The GX Eagle Transmission derailleur every bit as crisp and precise as the other derailleurs in the transmission family, but features things like removable skid plates for better protection and serviceability. Shifting under load is made possible on the GX cassette due to a combination of X-SYNC technology and cassette mapping, creating seamless shifts even during your hardest power output. The GX Eagle Transmission DUB crankset stands apart and gives no-nonsense riders a no-compromise balance of form and function.
• 32T chainring
• Bashguard compatible
• GX Eagle Transmission derailleur
• 10-52T GX Eagle Transmission cassette
• GX Transmission Flattop chain
• Pod controller
• AXS battery/USB-C charger
• SRAM Model ID: GS-GX-E-D2
Receives in 6 days.
From $1,049.00
Even on an e-bike you are now able to shift under load thanks to a combination of X-SYNC technology and cassette mapping, creating seamless shifts even during your hardest power output.
• Dedicated variants with SRAM/Brose and Bosch for optimized q-factor
• ISIS interface for use with ISIS systems
• GX Eagle Transmission derailleur
• 10-52T GX Eagle Transmission cassette
• GX Transmission Flattop chain
• Pod controller
• AXS battery/USB-C charger
• SRAM Model ID: GS-GX-EPA-D2
Receives in 6 days.
$1,199.00
The GX Eagle Transmission derailleur every bit as crisp and precise as the other derailleurs in the transmission family. Shifting under load is made possible on the GX cassette due to a combination of X-SYNC technology and cassette mapping, creating seamless shifts even during your hardest power output. The GX Eagle Transmission crankset's unique shape has been forged out of aluminum for strength without bulk.
• Includes: 32T chainring, GX Eagle Transmission derailleur, 10-52T GX Eagle Transmission cassette, GX Transmission Flattop chain, Pod controller, AXS battery/charger
• SRAM Model ID: GS-GX-E-D1
Receives in 6 days.
$1,759.00
Pure performance with no compromise. Force AXS builds on the design of previous generations, taking our fully wireless technology and adding refined ergonomics, effortless braking and further AXS integration. Beyond aesthetics and tech, Force AXS has shed a significant amount of weight, delivering a pro-level, lightweight drivetrain.
• Includes rear derailleur, front derailleur, shift-brake controls, chain, disc brake calipers, rotors, and USB-C battery charger
• SRAM Model ID: GS-FRC-E-E2
Receives in 6 days.
From $270.00
Pure performance with no compromise. Force AXS builds on the design of previous generations, taking our fully wireless technology and adding refined ergonomics, effortless braking and further AXS integration. Beyond aesthetics and tech, Force AXS has shed a significant amount of weight, delivering a pro-level, lightweight drivetrain.
• Aftermarket groupset includes rear derailleur, front derailleur, shift-brake controls, chain, disc brake calipers, rotors, battery charger, and optional Hammerhead Karoo
• SRAM Model ID: GS-FRC-E-E1
Receives in 6 days.
From $110.00
• Forged aluminum arms with GapCap for an integrated look
• SRAM Powertrain, Brose, Bosch, and Bosc CX BDU38 options
• Crank arm GapGap removeable for compatibility with other ISIS spindle-based motor systems
• SRAM Model iD: FC-90-PA-A1
Receives in 6 days.
$735.00
Mechanical shifting at it’s best.
• Full Mount derailleur architecture (UDH frame required)
• Replaceable outer and inner parallelogram links, skid plates, and a tool-free threaded cage assembly
• Sleek and sturdy forged aluminum DUB crankset, with a signature silver T-Type chainring and removable bash guards
• XS-1275 T-Type cassette with full X-Sync technology
• Premium double-click T-Type Actuation mechanical shifter
• Simple four step setup procedure: Prepare. Hang. Tighten. Route.
• Featuring no limit screws, no b-tension, and no guesswork
• SRAM Model ID: GS-90-A1
Receives in 6 days.
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