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    10 Deg
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    10 Speed 28.6/31.8mm
    10 Speed 34.9mm
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    100mm
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    104BCD/38T/12mm Pin
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    107mm
    108 x 68mm
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    11 Speed 34.9mm
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    110mm
    113 x 68mm
    113mm
    118 x 68/73mm
    118 x 73mm
    11T
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    12-32T
    120BCD/48T
    120BCD/50T
    120BCD/52T
    13-12T
    13-23T
    13-25T
    13-26T
    13-28T
    13-29T
    13-30T
    130BCD/38T
    130BCD/39T
    130BCD/44T
    130BCD/48T
    130BCD/50T
    130BCD/52T
    130BCD/53T
    135mm
    136 Links
    13T
    14-23T
    14-25T
    14-28T
    14-34T
    148 x 100mm
    14mm
    14T
    15-17T
    15T
    16-27T
    16-29T
    165mm
    167.5mm
    16T
    17.4mm
    170mm
    170mm/36/24T
    170mm/50-34T
    170mm/52-36T
    170mm/53-39T
    170mm/54/42T
    172.5mm
    172.5mm/50-34T
    172.5mm/50/34T
    172.5mm/52-36T
    172.5mm/53-39T
    172.5mm/54/42T
    172mm
    175mm
    175mm 52-36T
    175mm/52/38T
    175mm/53/39T
    177.5mm
    17T
    1800mm
    180mm
    18T
    19T
    1mm
    2 Pack
    2 Speed Front
    2 speed/10 speed Set
    2 x 10 High Direct Mount 38/36 Tooth Bottom Pull
    2 x 10 High Direct Mount Bottom Pull
    20T
    21/24/27T
    22/24mm
    22T
    23.8/24.2mm
    23.8mm - 24.2mm
    23.8mm/24.2mm
    24mm
    24T
    24T/64BCD
    24T/80BCD
    260 x 50mm
    26T
    26T/64BCD
    26T/80BCD
    28.6/31.8mm
    28.6mm
    28.6mm/down pull
    28.6mm/top pull
    28T
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    2mm
    3 Speed
    3 Speed Front
    3 x 8 Speed
    3 x 9 Low Clamp 31.8/34.9 Black Dual Pull
    3 x 9 Low Clamp Dual Pull 31.8/34.9
    30-24mm
    30mm
    30T
    30T/170mm
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    30T/74BCD
    31.8mm
    31.8mm/down pull
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    32T
    32T/104BCD
    32T/175mm
    32T/96BCD
    33T
    34-38T
    34-38T/ISCG05
    34.9mm
    34/24T
    34/24T - 165mm
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    34T
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    36/22T/170mm
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    36/24T/170mm
    36/24T/Without Spider
    36/26T
    36/26T - 165mm
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    36T
    36T/110BCD
    36T/96BCD
    37 x 24mm
    37 x 25 x 6mm
    37 x 25 x 7mm
    38-24T
    38.2mm
    38/24T
    38/24T/Without Spider
    38/26T
    38/28T
    38/28T - 165mm
    38/28T - 170mm
    38/28T - 175mm
    38/28T - 180mm
    38/28T/170mm
    38T
    38T/104BCD
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    39/26T
    39t
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    4 Deg
    4-170mm
    4/8 Deg
    40/28T
    40/28T - 180mm
    40/30/22T
    40/30/22T - 165mm
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    40/30/22T - 180mm
    40T
    40T/104BCD
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    40T/170mm
    40T/172.5mm
    41 x 86.5 x 24mm
    41 x 86/89.5/92mm
    41 x 86/92mm
    41T
    42/28T/Without Spider
    42/30T - 170mm
    42/30T - 172.5mm
    42/30T - 175mm
    42/30T - 180mm
    42/32/22T
    42/32/24T/175mm
    42/32T
    42/34/24T
    42T
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    42T/110BCD
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    42T/130BCD
    42x24mm
    43T
    44/30T
    44/30T - 170mm
    44/30T - 172.5mm
    44/30T - 175mm
    44/30T - 180mm
    44/30T/Without Spider
    44T
    44T/130BCD
    45T
    46 x 24mm
    46 x 67/73mm
    46 x 68/73mm
    46 x 68mm
    46/30T/170mm
    46/30T/172.5mm
    46/30T/175mm
    46/32T
    46/36T
    46/36T - 175mm
    46/36T/170mm
    46/36T/170mm/
    46/36T/172.5mm
    46/36T/175mm
    46T
    46T/130BCD
    47T
    48/32T/170mm
    48/32T/172.5mm
    48/32T/175mm
    48/36/26T
    48/38/28T
    48/38/28T -175mm
    48T
    48T/110BCD
    48T/130BCD
    49T
    49T/130BCD
    4mm
    5 Speed
    5 x 12mm
    5 x 19mm
    5 x 6mm
    5 x 8mm
    5 x 9.5mm
    50-34 165mm
    50-34 170mm
    50-34 172.5mm
    50-34 175mm
    50-34T
    50/34T
    50/34T - 165mm
    50/34T - 170mm
    50/34T - 172.5mm
    50/34T - 175mm
    50/34T/170mm
    50/34T/172.5mm
    50/34T/175mm
    50/39/30T
    500mm
    50mm Chain Line
    50T
    50T/110BCD
    50T/130BCD
    51mm Chainline 68/73mm
    51T
    52-36T
    52-39T
    52/36T
    52/36T - 165mm
    52/36T - 170mm
    52/36T - 172.5mm
    52/36T - 175mm
    52/36T/170mm
    52/36T/172.5mm
    52/36T/175mm
    52T
    52T/110BCD
    52T/130BCD
    53-34T
    53-39 170mm
    53-39 172.5mm
    53-39 175mm
    53-39 75mm
    53-39T
    53.4mm chain line
    53/39T
    53/39T - 165mm
    53/39T - 170mm
    53/39T - 172.5mm
    53/39T - 175mm
    53/39T/170mm
    53/39T/172.5mm
    53/39T/175mm
    53/42T
    53T
    53T/110BCD
    53T/130BCD
    54T
    55/42T
    56mm Chainline 68/73mm
    56mm Chainline 83mm
    5mm
    6 Speed
    6-175mm
    6/7-Speed Top Swing
    6/7/8 Speed
    64BCD/22T
    64BCD/22T/Shim
    64BCD/22T/Sram
    64BCD/24T
    650mm
    66mm Chainline x 100mm
    68 x 103mm
    68 x 108mm
    68 x 108mm
    68 x 110mm/2017
    68 x 113mm
    68 x 113mm
    68 x 116mm
    68 x 118mm
    68 x 122.5mm
    68 x 123mm
    68 x 24mm
    68-107mm
    68-109mm
    68-110mm
    68-113mm
    68-113mm E-Type
    68-115mm
    68-118mm
    68-121mm
    68-122.5mm
    68-126mm
    68-127mm
    68/73 x 24-22mm
    68/73 x 24mm
    68/73mm
    68BCD/22T
    68BCD/24T
    68BCD/26T
    68BCD/28T
    68mm
    7 Speed
    7-8 Speed
    7/8 Speed
    7/8-Speed Top Swing
    70mm
    70mm/Italian
    73 x 113mm
    73 x 118mm
    73-107mm
    73-113mm
    73-118mm
    73-118mm E-Type
    73-121mm
    73-122mm
    73-126mm
    73mm
    73x113mm
    73x118mm
    74BCD/30T
    76BCD/26T
    76BCD/28T
    76BCD/30T
    76BCD/32T
    76BCD/34T
    76BCD/38T
    8 Deg
    8 Speed
    8 Speed Rear
    8-130mm
    83mm
    84.5mm
    86BCD/28T
    86BCD/30T
    86BCD/32T
    86BCD/34T
    86BCD/36T
    86BCD/38T
    86BCD/40T
    86BCD/42T
    9 Speed
    9 Speed Rear
    9 Speed/28.6/31.8mm
    9-speed Conventional Swing
    9.2mm
    9/10 Speed
    9/3 Speed
    90 BCD/30T
    90 BCD/32T
    90BCD/30T
    90BCD/32T
    90BCD/34T
    90BCD/36T
    950mm
    96BCD/30T
    96BCD/30T/2015
    96BCD/36T/22T
    96BCD/36T/24T
    96BCD/38T/24T
    96BCD/38T/26T
    96BCD/38T/28T
    96BCD/40T
    Alloy Cups
    BritishThread
    Campag
    Centre Lock - 140mm
    Centre Lock - 160mm
    Direct Mount Spec 3 39
    Direct Mount Spec 3 42
    Direct Mount/46T
    Direct Mount/48T
    Double 34.9mm
    Front
    GS
    IT 70-107mm
    IT70 - 109mm
    IT70 - 118mm
    Italian thread
    L/250x130x130
    Left
    Left Front 160mm
    Left Hand
    Left Rear 140mm
    Left Rear 160mm
    Long
    M
    No Rings - 170mm
    No Rings - 175mm
    No Rings - 180mm
    One Size
    Pair
    Plastic Cups
    Prestige CX 2017 & Before
    Rear
    Right
    Right Front 160mm
    Right Hand
    Right Rear 140mm
    SGS
    SGS - Long
    SGS/Long-Top Normal
    Short
    Sram GXP
    SS-short
    Top Pull 31.8/34.9mm
    Top Swing 63-66 Deg
    X0 05-07/X9 07-09 Short Cage/X7 08-09 Short Cage
    X0 08-11
    X4/SX4
    X9 2004/9.0SL/9.0
    X9X7
    XL/200x160x160
On Sale?
  1. Yes

Bike Components - Gears & Drivetrain

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Set Descending Direction

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Set Descending Direction

If you are looking for bike components, specifically gears and drivetrain components, such as groupsets, front and rear derailleurs, crank sets and chainrings, you can find what you need here at BikeZaar. We have different brands for the components you need, such as Shimano, SRAM and Campagnolo, so we have all the top quality gear you could possibly require, to be delivered to your door or collected from a nearby bike shop.

Bike gears

Gears on bikes work when the cyclist moves the gear shifter. This gets shorter or longer, depending on whether the cyclist pushes or pulls the gear shifter, and this moves a derailleur, which controls the chain, moving it to the right chain ring.

Sound complicated? It isn’t, really. The cyclist chooses the most appropriate gear for the riding they are doing. Higher gears may be most suited to downhill cycling, whereas a low gear can make it easier to cycle uphill.

When a bike is in a low gear, the cyclist has to pedal faster but with less force to maintain the same speed. When in a high gear, more force is required, with slower pedalling.

Gears and Drivetrains

The gear shifters are usually found on the handles of a bike and can be adjusted while cycling to suit the conditions. They have gear cables attached to them, which connect to the derailleurs.

The chainrings are attached to the pedals of the bike.

The chain is visible and attached between the chainrings and the sprockets or cogs.

The sprockets or cogs are on the right-hand side of the rear wheel, attached to the centre.

The derailleurs move the chain from one chainring to another or between the cogs, or sprockets.

The drivetrain is the name for the entirety of these components, so it is made up of the pedals, cranks, chainrings, chain, cogs or sprockets, and derailleurs.

Keeping your drivetrain and gears in good condition

Inspect your gears and drivetrain regularly to check there is no wear and tear or obvious, visible damage. Taking care of your derailleurs in particular is important to ensure a smooth ride when you change gear. Both the front and rear derailleurs play a vital role in your bike’s health, as do the chainrings, gear shifters, chain and cogs, so replace them when they need it to avoid causing damage to your bike and its other components.

Look at our Shimano, SRAM and Campagnolo pages for full details on the gear and drivetrain accessories we sell.