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There are 218 products.

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  • Sprocket Miche compatible with Campagnolo 9s 10s 19 teeth
    New product -65%
    Sprocket Miche compatible with Campagnolo 9s 10s
    • €2.45
    • €6.99
  • Ultegra chainring FC-R8100/P 52 teeth 12s
    New product Used
    Shimano Ultegra chainring
    • €83.99
  • Chainring Specialites TA Zephyr 110 mm 52 teeth
    New product Used
    Chainring Specialites TA Zephyr 110 mm
    • €34.99
  • Campagnolo Veloce cassette 12-23 10 speed
    New product -36%
    Campagnolo Veloce cassette 10 speed
    • €36.47
    • €56.99
  • Screw diameter 2.8 mm length 10 mm for derailleur
    New product
    Screw diameter 2.8 mm length 10 mm
    • €0.70
  • Square taper bottom bracket Shimano Altus 116 mm
    New product -45%
    Square taper bottom bracket Shimano Altus 116 mm
    • €6.04
    • €10.99
  • Sprocket Miche compatible with Shimano 9s 10s 19 teeth
    New product -65%
    Sprocket Miche compatible with Shimano 9s 10s
    • €2.45
    • €6.99
  • Campagnolo Centaur cassette 12-25 10 speed
    New product -21%
    Campagnolo Centaur cassette 10 speed
    • €88.61
    • €112.16
  • Chainwheel 42 teeth Vision FSA Powerbox ABS and SL-K ABS 10 or 11s
    New product -35%
    Chainwheel 46 teeth Vision FSA Powerbox ABS and SL-K ABS 10 or 11s
    • €26.64
    • €40.99
  • Sram chain 10s PC1130
    New product -10%
    Sram chain 10s PC1130
    • €22.49
    • €24.99
  • Shimano Dura ace chainring
    Used
    Shimano Dura ace chainring
    • €44.99
  • Sunrace CNQ10 quick connect for chain 10 speed
    New product
    Sunrace CNQ10 quick connect for chain 10s
    • €1.90
  • Quick connect Sram Powerlink chain 8s
    New product
    Quick connect Sram chain
    • €2.99
  • Shimano RX100 FD-A551 front derailleur with collar
    New product
    Shimano RX100 front derailleur
    • €19.99
  • Left lever Shimano 105 ST-5510 triple
    New product
    Lever Shimano 105 ST-5510
    • €69.99
  • Campagnolo 11ss chain rivet
    New product
    Campagnolo chain rivet
    • €6.49
  • Look Zed 2 crankset
    Used
    Look Zed 2 crankset
    • €169.99
  • Rear derailleur Shimano Tiagra 10s short cage
    New product -36%
    Rear derailleur Shimano Tiagra 10s
    • €34.55
    • €53.99
  • Shimano Ultegra CS-6600 10 speed 11-23 cassette
    New product Used
    Cassette Shimano Ultegra CS-6600 10 speed
    • €9.99
  • Shimano 105 CS-5600 cassette 10 speed 11-23
    New product Used
    Shimano 105 CS-5600 cassette 10 speed
    • €10.99
  • Stronglight CT2 53 teeth chainring 9/10 speed 135 mm
    New product
    Stronglight CT2 chainring 9 to 10 speed
    • €29.99
  • 52 teeth chainwheel Stronglight 86 mm
    New product
    52 teeth chainwheel Stronglight 86 mm
    • €19.99
  • 9s chain KMC X9
    New product -25%
    9s chain KMC X9
    • €11.96
    • €15.95
  • FSA Powerbox power meter BCD 110 mm
    New product -45%
    FSA Powerbox power meter BCD 110 mm
    • €296.99
    • €539.99
  • Pulley set Shimano Deore 105 SLX 10s
    New product -30%
    Pulley set Shimano Deore 105 SLX 10s
    • €7.34
    • €10.49
  • Miche Primato 10s cassette 12-28
    New product
    Miche Primato Shimano 10s cassette
    • €39.50
  • Left crank Shimano Ultegra FC-6700 170 mm
    New product Used
    Left crank Shimano Ultegra 170 mm
    • €64.99
  • Stronglight Powerglide 53 teeth chainring 130 mm 9/10 speed
    New product
    Stronglight Powerglide 53 teeth chainring 130 mm 9/10 speed
    • €15.90
  • Gears levers Shimano 105 SL-1056 2x8s
    New product
    Gears levers Shimano 105
    • €34.99
  • Shimano RSX derailleur
    New product
    Shimano RSX derailleur
    • €14.99
  • Shimano Claris ST-2400 right shifter 8s
    New product -48%
    Shimano Claris ST-2400 shifter 8s
    • €60.31
    • €115.99
  • Bottom bracket Shimano SM-BBR60 ultegra 105 36 x 24
    New product -30%
    Bottom bracket Shimano SM-BBR60 ultegra 105
    • €20.29
    • €28.99
  • Campagnolo Veloce cassette 11-21 10 speed used
    Used
    Campagnolo Veloce cassette 10 speed used
    • €14.99
  • Chain quick connect Sram 12 speed Eagle power lock
    New product -25%
    Chain quick connect Sram 12 speed Eagle power lock
    • €3.15
    • €4.20
  • 10s chain Taya DECA-101
    New product -18%
    10s chain Taya DECA-101
    • €20.49
    • €24.99
  • Bicycle chain 10s GPA Cycles
    New product -25%
    Bicycle chain 10s GPA Cycles
    • €20.21
    • €26.95
  • 2 screws for cranks axle square
    New product
    2 screws for cranks axle square
    • €4.49
  • Bottom bracket Shimano 105 BB-5500 Octalink cleared
    New product Used
    Bottom bracket Shimano 105 BB-5500 Octalink
    • €25.99
  • Campagnolo Record bottom bracket
    New product
    Campagnolo Record bottom bracket
    • €49.99
  • Right Campagnolo Centaur shifter 10s carbon
    New product
    Campagnolo Centaur shifter 10s carbon
    • €129.99
  • 2 Campagnolo 10-speed bicycle chain links
    New product
    2 Campagnolo 10-speed bicycle chain links
    • €9.49
  • 34 teeth chainring
    34 teeth chainring
    • €7.99
  • Shimano Exage 500EX crank
    Used
    Shimano Exage 500EX crank
    • €8.99
  • Right crank FSA CK-745 Yamaha motor
    New product -43%
    Right crank FSA CK-745 Yamaha motor
    • €29.64
    • €52.00
  • Shimano Ultegra ST-R8020 shifter 11s disc
    Customize
    New product Used
    Shimano Ultegra ST-R8020 shifter 11s disc
    • €79.99
  • Intermediate chainring 42 teeth 9s 130 mm
    Customize
    New product
    Chainring 9s 130 mm
    • €24.99
  • Campagnolo Super Record 11s ultra torque crankset 52 39 teeth 172.5 mm
    New product -28%
    Campagnolo Super Record 11s ultra torque crankset 52 39 teeth
    • €647.99
    • €899.99
  • Pulley set Shimano Ultegra RD-6800 / 6870 11s
    New product -55%
    Pulley set Shimano Ultegra RD-6800 / 6870 11s
    • €10.12
    • €22.49
  • Chain quick connect Sram 11 speed power lock
    New product -25%
    Chain quick connect Sram 11 speed power lock
    • €3.15
    • €4.20
  • Front derailleur Campagnolo Veloce 10s braze on
    New product -12%
    Front derailleur Campagnolo Veloce 10s braze on
    • €29.04
    • €33.00
  • Front derailleur Shimano Ultegra FD-R8000-F 11s
    New product -45%
    Front derailleur Shimano Ultegra FD-R8000 11s
    • €34.64
    • €62.99
  • 10s chain bbb 114 links
    New product -30%
    10s chain bbb BCH-102L114 links
    • €24.49
    • €34.99
  • Shimano chain 11s...
    New product -38%
    Shimano chain 11s CN-HG701-11 116 links
    • €30.94
    • €49.90
  • Front derailleur Sram Red Yaw 11s with chain guide
    Used
    Front derailleur Sram Red Yaw 11s
    • €49.99
  • Chainring 44 teeth 110 mm 5 to 7s
    New product
    Chainring 44 teeth 110 mm 5 to 7s
    • €7.99
  • Shimano Ultegra CS-6700 cassette 10s 11_23
    Used
    Shimano Ultegra CS-6700 cassette 10s
    • €14.99
  • Shimano Dura-ace 7801...
    New product
    Shimano Dura-ace 7801 Ultegra 6600 10s chain rivet
    • €2.10
  • Race Face Cadence 53 teeth chainring 130 mm 9/10 speed
    New product Used
    Race Face Cadence 53 teeth chainring 130 mm 9/10 speed
    • €24.90
  • Miche Supertype 52 teeth chainring 130 mm 9/10 speed
    New product
    Miche Supertype 52 teeth chainring 130 mm 9/10 speed
    • €24.80
  • Rear derailleur Campagnolo Racing T triple 9s
    Used New
    Rear derailleur Campagnolo Racing T triple 9s
    • €29.99
  • Right crank Spidel 105 175 mm
    New product
    Right crank Spidel 105 175 mm
    • €24.99
  • Right crank Spidel 182.5 mm
    New product
    Right crank Spidel 182.5 mm
    • €44.99
  • Right crank Campagnolo Avanti 170 mm
    New product
    Right crank Campagnolo Avanti 170 mm
    • €29.99
  • Left lever Shimano 105 ST-5601 10s
    New product
    Left lever Shimano 105 ST-5601 10s
    • €59.99
  • Gears levers Shimano 600 Arabesque
    New product
    Gears levers Shimano 600 Arabesque
    • €49.99
  • Gears levers Shimano Dura ace EX
    New product
    Gears levers Shimano Dura ace AX
    • €79.99
  • 10s cassette Shimano GRX HG500
    New product -50%
    10s cassette Shimano GRX HG500
    • €23.00
    • €45.99
  • Gears levers Campagnolo C-Record
    New product
    Gears levers Campagnolo C-Record
    • €99.99
  • Left crank Spidel 170 mm
    Used
    Left crank Spidel 170 mm
    • €24.99
  • Right crank Specialites TA 3 arms 170 mm
    New product
    Right crank Specialites TA 3 arms 170 mm
    • €24.99
  • Campagnolo EPS magnet kit
    New product
    Campagnolo EPS magnet kit
    • €49.99
  • Campagnolo Mirage crankset
    Used
    Campagnolo Mirage crankset
    • €9.99
  • Right crank Shimano FC-R600
    Used
    Right crank Shimano FC-R600
    • €19.99
  • Shimano chain 12s CN-M8100
    New product -25%
    Shimano chain 12s CN-M8100
    • €26.24
    • €34.99
  • Octalink bottom bracket Shimano Dura ace
    New product
    Octalink bottom bracket Shimano Dura ace
    • €79.99
  • Left crank Shimano Dura ace
    Used
    Left crank Shimano Dura ace
    • €44.99
  • Sram red OG 1090 cassette 11 23 10 speed
    New product
    Sram red OG 1090 cassette 11 23 10 speed
    • €109.99
  • Rotor noQ chainring 52 teeth 10-11 speed 110 mm
    New product -25%
    Rotor noQ chainring 52 teeth 10-11 speed 110 mm
    • €67.49
    • €89.99
  • Rear derailleur Campagnolo Record 12s
    Used
    Rear derailleur Campagnolo Record 12s
    • €94.99
  • FSA SLK light BB386 crankset 170 mm 34 50 teeth
    Used
    FSA SLK light BB386 crankset 170 mm 34 50 teeth
    • €139.99
  • Internal chainring Campagnolo Super record 34 teeth 12s 112 mm
    Used -30%
    Internal chainring Campagnolo Super record 34 teeth 12s 112 mm
    • €65.09
    • €92.99
  • 12s chain Campagnolo Chorus 108 links
    New product -45%
    12s chain Campagnolo Chorus 108 links
    • €24.20
    • €44.00
  • FSA bottom bracket adapter BB386 EVO with 24 mm axle
    New product
    FSA bottom bracket adapter BB386 EVO with 24 mm axle
    • €19.99
  • FSA PF30 bottom bracket adapter with 386 EVO
    New product
    FSA PF30 bottom bracket adapter with 386 EVO
    • €19.99
  • Front derailleur Shimano Dura-ace FD-9000-B 2x11s
    New product -42%
    Front derailleur Shimano Dura-ace FD-9000-B 2x11s
    • €98.60
    • €170.00
  • Front derailleur Shimano Dura-ace FD-7970 DI2 2x10s
    New product -65%
    Front derailleur Shimano Dura-ace FD-7970 DI2 2x10s
    • €171.50
    • €490.00
  • Rear derailleur Sram Force 10s short cage
    New product -31%
    Rear derailleur Sram Force 10s
    • €79.34
    • €114.99
  • Shimano Claris SL-R2000 shifters 2x8s
    New product -35%
    Shimano Claris SL-R2000 shifters 2x8s
    • €60.45
    • €93.00
  • Shimano Dura-ace XTR 11s HG901 chain
    New product -50%
    Shimano Dura-ace XTR 11s HG901 chain
    • €31.50
    • €62.99
  • Campagnolo Record 12s ultra torque crankset 52 36 teeth 172.5 mm
    Used
    Campagnolo Record 12s ultra torque crankset 52 36 teeth 172.5 mm
    • €189.99
  • Front derailleur Shimano Tiagra
    Used
    Front derailleur Shimano Tiagra
    • €12.99
  • Sram red XG 1190 cassette 11 25 11 speed used
    Used
    Sram red XG 1190 cassette 11 25 11 speed used
    • €49.99
  • Right crank Shimano Ultegra FC-6503 172.5 mm
    New product
    Right crank Shimano Ultegra FC-6503 172.5 mm
    • €18.99
  • Road bike carbon cranks 172.5 mm
    New product
    Road bike carbon cranks 172.5 mm
    • €49.99
  • 11 speed chain KMC X11SL Ti N gold 118 links
    New product -30%
    11 speed chain KMC X11SL Ti N gold 118 links
    • €52.49
    • €74.99
  • Shimano Dura ace FC-7800 crankset 172.5 mm 10s
    Used
    Shimano Dura ace FC-7800 crankset 172.5 mm 10s
    • €89.99
  • Carbon left crank FSA carbon pro team 180 mm
    Used
    Left crank FSA carbon pro team 180 mm
    • €9.99
  • Right shifter Shimano Tiagra SL-R4700 10s for flat handlebar
    New product -37%
    Right shifter Shimano Tiagra SL-R4700 10s for flat handlebar
    • €39.37
    • €62.49
  • Left shifter Shimano SL-R4703
    New product -35%
    Left shifter Shimano SL-R4700
    • €32.49
    • €49.99
  • Junction box Shimano Dura ace Di2 SM-EW90-A
    New product -23%
    Junction box Shimano Dura ace Di2 SM-EW90-A
    • €69.29
    • €89.99

Showing 1-100 of 218 item(s)

Road bike transmission: features, components & how to choose

The road bike transmission is one of the most essential components for ensuring optimal performance, a smooth pedaling cadence, and riding comfort tailored to each cyclist. It works in perfect synergy with the road bike wheel, the road bike frame, and the road bike fork, which provide stability, rigidity, and precise handling. Added to this are the road bike components and road bike accessories, which contribute to the overall feel and ergonomics of the bike. From the road bike derailleur to the road bike crankset, and including the road bike brakes, each part plays a crucial role in the overall function of the setup.

But which road bike transmission should you choose to ride efficiently, climb with ease, or beat your personal records? Here is everything you need to know to understand the specifics and make the right choice.

What is a road bike transmission ?

The road bike transmission refers to the set of mechanical parts that transfer the rider’s energy to the rear wheel. In simple terms, it's what makes your bike move and allows you to change gears depending on the terrain.

It consists of several interconnected components:

  • Road bike crankset (with chainrings)

  • Road bike chain

  • Road bike cassette

  • Front and rear derailleurs

  • Road bike shifters

  • Bottom bracket

Key components of a road bike transmission

Crankset and chainrings

The crankset includes one or more chainrings. Most road bikes feature two chainrings, either compact or standard, though single-ring setups (1x) are becoming more common, especially on gravel bikes.

  • Compact (50/34 teeth): Great for hilly routes and recreational riders.

  • Standard (53/39 teeth): Designed for racers and powerful riders.

  • Sub-compact (48/32 or 46/30): Ideal for long-distance touring or bikepacking.

Road bike cassette

Located on the rear wheel, the cassette contains sprockets that usually range from 9 to 13 speeds depending on the groupset. The gear range affects how efficiently you can pedal across different terrains.

  • 11-28: Versatile and suitable for varied terrain.

  • 11-32 or 11-34: Easier gearing for climbing.

  • 12-speed: Smoother gear transitions with tighter spacing.

Road bike chain

The chain links the crankset to the cassette. It must be compatible with your gear count (10, 11, or 12-speed) and properly maintained for smooth and quiet shifting.

Road bike derailleur

There are two types: front (for the chainrings) and rear (for the cassette). Modern derailleurs are highly precise, and many high-end options are now electronic (Shimano Di2, SRAM eTap, Campagnolo EPS), offering ultra-fast, cable-free shifting.

Road bike shifters

Shifters allow you to change gears and brake. They're integrated into the handlebars for ergonomic control. Modern shifters offer indexed shifting (click by click) and some electronic groupsets use wireless systems for clean, efficient setups.

Bottom bracket

Often overlooked, the bottom bracket connects the crankset to the bike frame. There are various standards (BSA, Pressfit, BB30, etc.), each offering specific benefits in stiffness, weight, and maintenance.

Which road bike transmission should you choose?

Your choice depends on your riding style, fitness level, and terrain:

Rider Profile Recommended Transmission
Beginner / Recreational 2x10-speed groupset, 11-32 cassette, 50/34 compact crankset
Enthusiast / Sportive 2x11 or 2x12-speed, 11-30 cassette, compact or semi-compact crank
Racer / Competitive 2x12-speed electronic, 52/36 crankset, 11-28 cassette
Climbing / Endurance Sub-compact crankset, 11-34 cassette, lightweight groupset

Top road bike transmission brands and groupsets

  • Shimano: Market leader with Sora, 105, Ultegra, and Dura-Ace groups.

  • SRAM: Known for wireless eTap systems and Rival, Force, and Red ranges.

  • Campagnolo: Premium Italian craftsmanship with Chorus, Record, Super Record, and Ekar for gravel.

Each brand offers unique tech features to match your performance goals: smoothness, durability, weight savings, and electronic control.

Best road bike transmission: how to decide

Key factors to consider when choosing the best road bike transmission:

  • Reliable and smooth gear shifts

  • Overall weight

  • Ease of maintenance

  • Compatibility with your bike frame and wheels

  • Budget (some high-end groupsets can exceed €1,500)

Tip: Even the best groupset won't perform well without regular care. Clean, lube, and tune your transmission frequently to maintain peak performance.

Conclusion

Your road bike transmission is the mechanical heart of your ride. A well-chosen and well-maintained setup turns every pedal stroke into speed and satisfaction. Whether you’re tackling long climbs, racing against the clock, or simply enjoying a weekend ride, selecting the right transmission can elevate your experience on two wheels.

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