Skip to main content

FREE Shipping Now Available on Orders $50+ (excluding oversized items)

Why shop at Mad Dog Cycles? Learn more about our promise here!

Filter By:

  • Show More Brands

  • Show Fewer Brands
  • Show More Sizes
  • Show Fewer Sizes
  • Show More Model Years
  • Show Fewer Model Years

Drivetrain Components

$53.00
FSA BROSE eBike replacement crankarms.
$57.00
FSA Shimano STEPS eBike replacement crankarms.
$59.00 - $81.00
FSA Super Road Chainrings are designed to provide flawless shifting, with minimal weight and unmatched durability. - Precision CNC machined AL7075/T6 alloy
$63.00
FSA CK-603 crankarms for Bafang equipped eBikes. - Bead blasted anodized finish
$66.00
The K-Force Light chain is FSA’s premium offering for 11-speed systems. Whether you’re on the road or hitting the trail, you’ll certainly appreciate all the technology this chain offers. Hollow pins reduce weight, optimized outer plate shapes reduce shift noise, and plate chamfers decrease sprocket wear while increasing shifting precision. If you’re looking for a chain with unrivaled durability and performance, choose the K-Force Light. - Designed to be used with all 11-speed drivetrains - Nickel plated links w/FSA logo - Chamfered to optimize shifting performance - 5.5mm width - Tool-free connector link included - 245g
$66.00
- 12-speed compatible - Quiet, efficient performance and superior durability - 5.25mm width - Nickel outer plated finish, Black inner plated finish - 250 grams (116 Links)
$66.00
- 12-speed compatible - Quiet, efficient performance and superior durability - 5.25mm width
$90.00
True value and performance are found in the Tempo Adventure crankset. The cranks are built to serve the recreational rider well and enhance their riding enjoyment. - Die-cast alloy crank arms - Monocoque crank arm/spider - AL7075-stamped and CNC-machined outer chainring - Heat-treated chromoly inner chainring - Chromoly chainring bolts - Available for 9-11 speed system
$95.00
- Solid forged crank arm - Square interface - Aluminum - Speed: 10/11 - Chainline: 44mm
$104.00 - $107.99
FSA Pro Track Chainrings are CNC Machined AL7075/T6 with laser-etched logos. - Requires 1/2" x 1/8" chain
$117.00
The FSA Comet crank is a stiff, modular 1x crankset with a 24mm alloy spindle, offering high-value for the price. Solid forged 6061 aluminum arms put power and durability at the forefront, with channeling at the back to trim weight. A no-pinch bolt design on the left-hand crankarm makes fitting easier and looks cleaner. The modular configuration allows for compatibility with boost 148 frames. - Convertible spider design for different chainring and chainline configurations - Thick-thin tooth design for maximum chain engagement - Solid forged AL6061 crank arms - 24mm chromoly spindle - Direct mount steel chainring - Number of Chainrings: Single - Chainline/Hub Compatibility: 135/142 MTB Hubs, 141/148 Boost Hubs - Crank Intended Use: Mountain - Pedal Spindle: 9/16" - Rings: 32 - Spindle Interface Type: FSA MegaExo - Drivetrain Speeds: 11, 12 - Chainring BCD: Direct Mount FSA - BB Included: No
$145.00
The Omega crankset is where fashion meets function, combining sleek styling with robust industrial design elements. Updated 11-speed compatibility puts the latest shifting technology into an attractive, price-conscious crankset. - Die-cast aluminum crank arms are lightweight and durable - Chromoly chainring bolts - Fits Shimano and SRAM 10-11 speed systems - Number of Chainrings: Double - Pedal Spindle: 9/16" - Chainline/Hub Compatibility: 130 Hubs - Rings: 50/34 - Spindle Interface Type: FSA MegaExo 19 - Chainring BCD: 120, 90 - Bottom Bracket Included: No
$177.00
- Cold forged AL6061/T6 aluminum crank arms - Forged AL7050 BB386EVO spindle - AL7075 100% CNC chainrings - Chromoly chainring bolts - Fits Shimano and SRAM 10-11 speed systems
$187.00
Not ready for carbon? The Gossamer Pro Modular AGX+ is a high-end crankset for alloy lovers. The cold-forged aluminum arms are heavily scalloped for the maximum strength-to-weight ratio. Thanks to the adaptable BB386 EVO 30mm spindle, this modular system will fit a wide variety of frames with a range of BB standards. - Cold-forged alloy spider - CNC-machined alloy spindle - Chromoly chainring bolts - Q-Factor - 154mm - Chainline - 47mm - BCD - DM/90mm - Chainrings - 46/30T - 656 grams (46/30T x 170mm)
$237.00 - $251.00
Featuring high performance and great durability, the K-Force has a large contact area to save alloy freehub bodies. - Heat-treated carbon steel cogs - Composite material spider - 11-speed cassette sprocket - Electroless Nickel plated cogs and anodized black Lock Ring and Spider - Cassette Body Type: Shimano/SRAM 11 Speed Road - Drivetrain Speeds: 11 - Color: Silver - Defined Color: Silver
$423.00
The FSA SL-K carbon tandem cranks feature an asymmetrical modular compact 2 x 11-speed spider, 30mm spindle, and tons of adjustability. - Hollow carbon arms with UD carbon finish - Asymmetrical 110 A.B.S BCD achieves 4 chainlines (44,47,50,53) - English BB included - 104 BCD timing spider - 653 grams - Number of Chainrings: Single - Crank Intended Use: Tandem - Pedal Spindle: 9/16" - Rings: 38 - Spindle Interface Type: 392 EVO - BB Included: English
$441.00
SL-K modular BB386EVO is the latest FSA crankset for gravel, adventure, or road use. Thanks to the adaptable BB386 EVO 30mm spindle, this modular system will fit a wide variety of frames with a range of BB standards. - Hollow carbon fiber arms with UD finish - Forged AL7050 BB386EVO spindle - Direct mount outer chainring and 90 BCD inner chainrings - Chromoly chainring bolts - Fits Shimano and SRAM 10-11 speed systems
$64.36 - $137.70
Gates Carbon Drive CDX Front belt drive rings are crafted with 6061 aluminum and work well for high-mileage touring or rugged off-roading. - Constructed of 6061 aluminum - 11mm pitch - CDX CenterTrack belts, cogs and rings do not interchange with any part of a CDC/CDX MudPort system
$77.43 - $82.84
Gates Carbon Drive CDC Rear Sprockets for 3-Lobe SureFit are crafted from coated steel, making them durable enough for global trekking, competitive racing, or rugged off-roading. - SureFit 3-Lobe mounting style for Shimano / SRAM - Coated steel construction - 11mm pitch
$82.84
Gates Carbon Drive CDC Rear Sprockets for Enviolo are crafted from coated steel, making them durable enough for global trekking, competitive racing, or rugged off-roading. - Enviolo mounting style - Coated steel construction - 11mm pitch
$106.06 - $172.10
- Patented carbon cords offer the tensile strength necessary to provide the smooth, greaseless, long-lasting ride advantage of a belt driven system (up to double the life of chains) - Belt is only compatible with Gates CDX CenterTrack cogs and sprockets Sizing - 108T = 1188mm - 111T = 1221mm - 113T = 1243mm - 115T = 1265mm - 118T = 1298mm - 120T = 1320mm - 122T = 1342mm - 125T = 1375mm - 132T = 1452mm - 250T (tandem) = 2000mm
$107.55 - $123.93
Gates Carbon Drive CDX Rear Sprockets for Sturmey-Archer 3-Lobe are crafted from stainless steel, making them durable enough for global trekking, competitive racing, or rugged off-roading. - Stainless steel construction - 11mm pitch - Sturmey-Archer 31.85mm 3-Lobe fitment
$108.40
Gates Carbon Drive CDX:EXP Rear Sprockets for Rohloff are made of sturdy stainless steel and are perfect for global trekking, competitive racing, or rugged off-roading. - Rohloff - Splined mounting style - Stainless steel construction - 11mm pitch - Sprockets require the Rohloff Splined Carrier 'L' which secures the sprocket using a threaded lock-ring
$134.01 - $154.71
Gates Carbon Drive CDX Front Sprockets for Bosch GEN2 are crafted from stainless steel and are the best choice for high-mileage touring or rugged off-roading. - Bosch GEN2 fitment - Stainless steel construction - 11mm pitch - Includes shim kit
$75.00
A direct mount Retainer ring option designed specifically for the Hope RX Crankset. Designed to be compatible with 9/10/11 and 12-speed drivetrains including SRAM T-Type and Shimano HG+. - Asymmetric tooth profile engineered for cross-compatibility and functionality with different drivetrain systems - Improved mud-shedding capability - Improved chain retention - Better performance with extreme chain angles on modern 1 x drivetrains - Tooth profile allows for more chain wear before function is compromised, extending service life - Spiderless rings have a new leg design with improved strength and stiffness - Narrow/wide tooth profile to keep the chain where it should be - Direct mount retainer ring designed specifically for our RX crankset - Optimized 45mm chainline - No need for separate spider and bolts for a lighter setup - CNC machined in 7075-T6 aluminum - Weight: 38T – 94g | 40T – 104g | 42T – 114g | 44T – 125g
$320.00
Continued development of our popular crankset has led to the EVO Edition, a benchmark for aluminum MTB cranks. The latest FEA analysis tools, rigorous lab testing, and extensive field testing mean the EVO crankset is both lighter and stiffer than the previous model. Now featuring a self-extracting axle/arm interface, simplifying fitting and removal. And all proudly designed, tested, and manufactured in Barnoldswick, UK. - 15% lighter and stiffer than the previous model - Now featuring a self-extracting axle-to-arm interface, simplifying fitting and removal - Forged and CNC machined 7075 series aluminum alloy crank arms - Unique expanding spline/arm interface - Versatile Spline mount for chainring/spider - 30mm oversized axle - Weight: 641g (arms, axle, and 34 tooth spiderless ring)
$415.00
The RX Crankset is our latest step into the Gravel and Road world, following our successful RX4 calipers and RS4 hubs. A two-piece hollow design allows for the removal of any unwanted material increasing stiffness and reducing weight. All are proudly designed, manufactured, and tested in Barnoldswick, UK to the same standards as our MTB cranks, for confident use on or off-road. - A two-piece hollow design allows for the removal of any unwanted material increasing stiffness and reducing weight - Tested to the same standards as our MTB cranks for confidence on or off-road - Featuring a self-extracting axle-to-arm interface, simplifying fitting and removal - Fully CNC machined 7050 Aluminum for precise material removal - Unique expanding spline/arm interface - Versatile Spline mount for chainring/spider - 30mm oversized axle - Weight: 518g (172.5mm and 5 bolt spider, w/o BB)
$64.99
Same specs as the K13-002 Pro Braze-on Chain Catcher but includes a Cadence Magnet required for SRM Power Meters, as well as other leading power meter brands. - CNC Machined 6061-T6 Aluminum - Fitment: All braze-on mounted front derailleurs* - Hardware: Includes all mounting hardware for Shimano, SRAM, and Campagnolo front derailleurs * Not compatible with Campy EPS * May not work with all third-party braze-on adapter clamps - Made in Boise, Idaho, USA - Lifetime Guarantee against material or manufacture defects. Damages due to abuse or crashing excluded.
$10.00 - $16.00
The KMC S1 is a single-speed chain suitable for use with internally geared hubs, or any single speed drivetrain. - High pin power with reinforced durability - Offers a quieter riding experience - Anti-drop design - Inner plate chamfering helps to provide fast and smooth shifting - Internal gear hub system compatible - Links (links): 112 - Color: Silver - Width: 9.3mm - Drivetrain Speeds: Single Speed 1/2 x 1/8-inch - Half Link Chain: No
$11.00 - $13.00
Z6 is a basic, affordable replacement chain for use on 6 and 7 speed bikes. - Features inner plate chamfering to smooth shifting - Z-bridge shape - Links (links): 116 - Width: 7.3 mm - Drivetrain Speeds: 6 , 7 - Chain Connection Type: Reusable Master Link