Bike Drivetrains & Gear Parts

Your bike drivetrain consists of all the parts that allow you to pedal and move your bike. Shop our range of drivetrains and gear parts at Decathlon. We have everything you need to take your drivetrain system up a gear.
257 items
KMC KMC E12 EPT E-Bike Chain
KMC KMC E12 EPT E-Bike Chain
Sold and shipped by Go Cycle Shop
£62.99
KMC KMC X12 EPT Chain
KMC KMC X12 EPT Chain
Sold and shipped by Go Cycle Shop
£44.99
SHIMANO 11-Speed 11x32 105 Cassette CS-R7000
SHIMANO 11-Speed 11x32 105 Cassette CS-R7000
Rate: 4.8 stars, 191 votes
£49.99
DECATHLON Universal Anti Friction Derailleur Cable
DECATHLON Universal Anti Friction Derailleur Cable
Rate: 4.7 stars, 585 votes
£4.99
£2.27/m
DECATHLON Quick Release Links for 9-Speed Chain - Twin-Pack
DECATHLON Quick Release Links for 9-Speed Chain - Twin-Pack
Rate: 4.5 stars, 489 votes
£6.99
SHIMANO 105 CS-R7000 11-Speed 11x28 Cassette
SHIMANO 105 CS-R7000 11-Speed 11x28 Cassette
Rate: 4.7 stars, 96 votes
£43.99
SHIMANO Shimano Tourney CN-HG40 116 link 6/7/8 speed Chain
SHIMANO Shimano Tourney CN-HG40 116 link 6/7/8 speed Chain
Rate: 3.0 stars, 2 votes
Sold and shipped by Sprocket and Gear Ltd
£13.34
SHIMANO Shimano BB-ES300 Bottom Bracket 68 x 113mm
SHIMANO Shimano BB-ES300 Bottom Bracket 68 x 113mm
Rate: 5.0 stars, 1 votes
Sold and shipped by Sprocket and Gear Ltd
£27.49
SHIMANO Shimano Jockey wheels 11T Deore, LX, SLX, 105, Tiagra RD-5700
SHIMANO Shimano Jockey wheels 11T Deore, LX, SLX, 105, Tiagra RD-5700
Rate: 5.0 stars, 1 votes
Sold and shipped by Sprocket and Gear Ltd
£11.59
SHIMANO Shimano HG53 9 speed 114 Links Chain
SHIMANO Shimano HG53 9 speed 114 Links Chain
Sold and shipped by Sprocket and Gear Ltd
£23.49
STRONGLIGHT Stronglight Dural 5083 130mm BCD 9 10 speed
STRONGLIGHT Stronglight Dural 5083 130mm BCD 9 10 speed
Sold and shipped by Sprocket and Gear Ltd
£31.96
SHIMANO Shimano Jockey wheels 11T Dura Ace, 11 Speed RD-9000 9070
SHIMANO Shimano Jockey wheels 11T Dura Ace, 11 Speed RD-9000 9070
Sold and shipped by Sprocket and Gear Ltd
£41.49
KMC KMC X8 114 Link Chain 6/7/8 Speed
KMC KMC X8 114 Link Chain 6/7/8 Speed
Sold and shipped by Sprocket and Gear Ltd
£22.49
SHIMANO Shimano Alivio CS-HG51 8 Speed HG Cassette
SHIMANO Shimano Alivio CS-HG51 8 Speed HG Cassette
Sold and shipped by Sprocket and Gear Ltd
£30.94
SHIMANO Shimano FD-R3000-B Sora Front Derailleur Clamp-On
SHIMANO Shimano FD-R3000-B Sora Front Derailleur Clamp-On
Sold and shipped by Sprocket and Gear Ltd
£34.74
SHIMANO Shimano UN300 68 x 110 Square Taper Bottom Bracket
SHIMANO Shimano UN300 68 x 110 Square Taper Bottom Bracket
Sold and shipped by Sprocket and Gear Ltd
£22.37
SHIMANO Shimano Ultegra CN-HG701 11 speed 116 links Chain
SHIMANO Shimano Ultegra CN-HG701 11 speed 116 links Chain
Sold and shipped by Sprocket and Gear Ltd
£42.98
SRAM SRAM GXP Team Cups 100mm English Threaded Bottom Bracket
SRAM SRAM GXP Team Cups 100mm English Threaded Bottom Bracket
Sold and shipped by Sprocket and Gear Ltd
£34.49
FIBRAX Fibrax inner Gear cable Stainless steel
FIBRAX Fibrax inner Gear cable Stainless steel
Sold and shipped by Sprocket and Gear Ltd
£3.98
SHIMANO Shimano Tiagra FD-4700-F Front Derailleur Braze On
SHIMANO Shimano Tiagra FD-4700-F Front Derailleur Braze On
Sold and shipped by Sprocket and Gear Ltd
£42.49
SUNRACE SunRace MZ90 12 Speed 11-50 Cassette - Black
SUNRACE SunRace MZ90 12 Speed 11-50 Cassette - Black
Sold and shipped by Sprocket and Gear Ltd
£146.49
SHIMANO Shimano Alivio M4000 CS-HG400 9 Speed 11-32T
SHIMANO Shimano Alivio M4000 CS-HG400 9 Speed 11-32T
Sold and shipped by Sprocket and Gear Ltd
£34.94
SHIMANO Shimano Alivio CS-HG51 8 Speed HG Cassette
SHIMANO Shimano Alivio CS-HG51 8 Speed HG Cassette
Sold and shipped by Sprocket and Gear Ltd
£30.74
SUNRACE Sunrace Cassette 9 Speed 11-32T
SUNRACE Sunrace Cassette 9 Speed 11-32T
Sold and shipped by Sprocket and Gear Ltd
£31.34
KMC KMC Missing Link EPT 10 Speed Chain Connectors
KMC KMC Missing Link EPT 10 Speed Chain Connectors
Sold and shipped by Sprocket and Gear Ltd
£9.98
SHIMANO Shimano SLX M7100 12 Speed Chain OEM - 126 Links
SHIMANO Shimano SLX M7100 12 Speed Chain OEM - 126 Links
Sold and shipped by Sprocket and Gear Ltd
£39.98
SHIMANO Shimano Ultegra SM-BBR60 Bottom Bracket 70mm Hollowtech
SHIMANO Shimano Ultegra SM-BBR60 Bottom Bracket 70mm Hollowtech
Sold and shipped by Sprocket and Gear Ltd
£34.94
SUNRACE SunRace M21 Twist Grip Shifter Right Hand - 6 speed
SUNRACE SunRace M21 Twist Grip Shifter Right Hand - 6 speed
Sold and shipped by Sprocket and Gear Ltd
£8.39
SRAM SRAM CS PG1030 10 Speed Cassette
SRAM SRAM CS PG1030 10 Speed Cassette
Sold and shipped by Sprocket and Gear Ltd
£52.98
SHIMANO Shimano Altus FD-M371-6 Front 9 Speed Derailleur
SHIMANO Shimano Altus FD-M371-6 Front 9 Speed Derailleur
Sold and shipped by Sprocket and Gear Ltd
£27.24
SHIMANO Shimano 105 R7000 11 speed Cassette 11-30T
SHIMANO Shimano 105 R7000 11 speed Cassette 11-30T
Rate: 5.0 stars, 1 votes
Sold and shipped by Sprocket and Gear Ltd
£65.00
SHIMANO Shimano RD-5800 GS 11T Pulley Wheel Set 105 SLX Deore Metrea
SHIMANO Shimano RD-5800 GS 11T Pulley Wheel Set 105 SLX Deore Metrea
Sold and shipped by Sprocket and Gear Ltd
£11.98
SR SUNTOUR Suntour BB17XCT Square Taper Sealed Bottom Bracket - 68 x 113.5mm
SR SUNTOUR Suntour BB17XCT Square Taper Sealed Bottom Bracket - 68 x 113.5mm
Sold and shipped by Sprocket and Gear Ltd
£14.49
SHIMANO Shimano Tiagra RS500 Bottom Bracket 1.37 x 24 English Hollowtech II
SHIMANO Shimano Tiagra RS500 Bottom Bracket 1.37 x 24 English Hollowtech II
Sold and shipped by Sprocket and Gear Ltd
£26.49
CAMPAGNOLO Campagnolo Veloce Braze On Front Derailleur
CAMPAGNOLO Campagnolo Veloce Braze On Front Derailleur
Sold and shipped by Sprocket and Gear Ltd
£35.49
SUNRACE SunRace M21 Twist Grip Shifter right hand - 8 speed
SUNRACE SunRace M21 Twist Grip Shifter right hand - 8 speed
Sold and shipped by Sprocket and Gear Ltd
£8.98
SHIMANO Shimano UN300 68 x 113 Square Taper Bottom Bracket
SHIMANO Shimano UN300 68 x 113 Square Taper Bottom Bracket
Sold and shipped by Sprocket and Gear Ltd
£21.94
SUNRACE Sunrace Cassette 8 Speed 11-32T
SUNRACE Sunrace Cassette 8 Speed 11-32T
Sold and shipped by Sprocket and Gear Ltd
£25.74
SRAM SRAM PG1130 NX 11 Speed 11-42T Cassette - Black
SRAM SRAM PG1130 NX 11 Speed 11-42T Cassette - Black
Sold and shipped by Sprocket and Gear Ltd
£83.14
KMC KMC X9 9 Speed 114 Links Chain
KMC KMC X9 9 Speed 114 Links Chain
Sold and shipped by Sprocket and Gear Ltd
£17.95