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Gears & Drivetrain

Discover the essential components of performance cycling with our Gears & Drivetrain category at 99 Bikes UK. Whether you’re a casual rider or a competitive cyclist, having the right gears and drivetrain is crucial for achieving the best ride possible. Our extensive selection features top-quality components from leading brands, ensuring reliability and precision for every type of bicycle. Explore our range of gear shifters, derailleurs, cassettes, and chainsets designed to enhance your cycling experience. Each product is carefully curated to cater to various riding styles, ensuring you find the perfect match for your bike. With options for road, mountain, and hybrid bikes, you can upgrade your drivetrain with confidence. At 99 Bikes UK, we understand that performance matters. That’s why we offer a diverse array of products to help you achieve seamless shifting, optimal gear ratios, and improved efficiency. Shop our Gears & Drivetrain collection today and elevate your cycling performance. With fast shipping and expert advice, we’re here to ensure you get the most out of your ride.
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Cassettes & Freewheels
Chains
Chainrings
Chainsets & Cranks
Derailleurs
Derailleur Hangers
Bottom Brackets
Groupsets
Gears & Drivetrain Spares

564 Results

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564 Results

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564 Results

TA Chainrings Zephyr 110PCD 9/10x 5-Arm Chainring in Silver
Save 33%
Specialites TA
TA Chainrings Zephyr 110PCD 9/10x 5-Arm Chainring in Silver
From £37.99 £25.40
Save £12.59
Full Details
Link to TA Chainrings Zephyr 110PCD 9/10x 5-Arm Chainring in Silver
TA Chainrings Chinook 4 Arm 104pcd 8/9x Middle Chainrings in Black
Save 31%
Specialites TA
TA Chainrings Chinook 4 Arm 104pcd 8/9x Middle Chainrings in Black
From £39.99 £27.48
Save £12.51
Full Details
Link to TA Chainrings Chinook 4 Arm 104pcd 8/9x Middle Chainrings in Black
Magene PES P515 Power Meter CrankMagene PES P515 Power Meter Crank
Magene
Magene PES P515 Power Meter Crank
From £299.00
Finance from £9.46 pm
Full Details
Link to Magene PES P515 Power Meter Crank
DT Swiss Ratchet freehub conversion kit with steel bearings
DT Swiss
DT Swiss Ratchet freehub conversion kit with steel bearings
From £74.99
Full Details
Link to DT Swiss Ratchet freehub conversion kit with steel bearings
SRAM Rival AXS eTap D1 12-speed Medium Cage Rear Derailleur in Black
Save 11%
SRAM
SRAM Rival AXS eTap D1 12-speed Medium Cage Rear Derailleur in Black
From £300.00 £266.00
Save £34.00
Finance from £8.42 pm
Full Details
Link to SRAM Rival AXS eTap D1 12-speed Medium Cage Rear Derailleur in Black
Scott Dropout Sram Udh 21 No Color 1size
Scott
Scott Dropout Sram Udh 21 No Color 1size
From £16.00
Full Details
Link to Scott Dropout Sram Udh 21 No Color 1size
Hope Tech 4 LH Shifter Mount - Sram - Black
Hope
Hope Tech 4 LH Shifter Mount - Sram - Black
From £23.00
Full Details
Link to Hope Tech 4 LH Shifter Mount - Sram - Black
SRAM Rival XG-1251 10-44T Cassette for Use With XPLR Rear Derailleur
Save 11%
SRAM
SRAM Rival XG-1251 10-44T Cassette for Use With XPLR Rear Derailleur
From £153.00 £136.00
Save £17.00
Full Details
Link to SRAM Rival XG-1251 10-44T Cassette for Use With XPLR Rear Derailleur
SRAM Rival ETAP AXS Right Front Shifter and Disc Brake Rear Brake
Save 12%
SRAM
SRAM Rival ETAP AXS Right Front Shifter and Disc Brake Rear Brake
From £280.00 £246.00
Save £34.00
Full Details
Link to SRAM Rival ETAP AXS Right Front Shifter and Disc Brake Rear Brake
Shimano 105 Di2 R7100 12-Speed 11- 34 Cassette CS-R7100
Shimano
Shimano 105 Di2 R7100 12-Speed 11- 34 Cassette CS-R7100
From £69.99
Full Details
Link to Shimano 105 Di2 R7100 12-Speed 11- 34 Cassette CS-R7100
Hope Tech 4 RH Shifter Mount - Sram - Black
Save 13%
Hope
Hope Tech 4 RH Shifter Mount - Sram - Black
From £23.00 £20.00
Save £3.00
Full Details
Link to Hope Tech 4 RH Shifter Mount - Sram - Black
SRAM Rival AXS Front Derailleur D1 Braze-on in Black
Save 11%
SRAM
SRAM Rival AXS Front Derailleur D1 Braze-on in Black
From £210.00 £186.00
Save £24.00
Full Details
Link to SRAM Rival AXS Front Derailleur D1 Braze-on in Black
Wheels Manufacturing BB30A To Outboard ABEC-3 Bottom Bracket For 24mm
Wheels Manufacturing
Wheels Manufacturing BB30A To Outboard ABEC-3 Bottom Bracket For 24mm
From £134.99
Full Details
Link to Wheels Manufacturing BB30A To Outboard ABEC-3 Bottom Bracket For 24mm
Shimano ST-R8020 Hydraulic Disc Mechanical Flat Mount Calliper STI Set
Save 28%
Shimano
Shimano ST-R8020 Hydraulic Disc Mechanical Flat Mount Calliper STI Set
From £334.99 £239.62
Save £95.37
Full Details
Link to Shimano ST-R8020 Hydraulic Disc Mechanical Flat Mount Calliper STI Set
SRAM DUB Pressfit 83mm Cannondale -AI MTB Bottom Bracket
SRAM
SRAM DUB Pressfit 83mm Cannondale -AI MTB Bottom Bracket
From £51.00
Full Details
Link to SRAM DUB Pressfit 83mm Cannondale -AI MTB Bottom Bracket
SRAM SX Eagle 12 Speed Rear Derailleur in Black
Save 19%
SRAM
SRAM SX Eagle 12 Speed Rear Derailleur in Black
From £84.00 £68.00
Save £16.00
Full Details
Link to SRAM SX Eagle 12 Speed Rear Derailleur in Black
Absolute Black MTB Round XT M8000 Chainring
Save 34%
Absolute Black
Absolute Black MTB Round XT M8000 Chainring
From £65.99 £42.99
Save £23.00
Full Details
Link to Absolute Black MTB Round XT M8000 Chainring
Shimano FCM7100 SLX 12-speed 52 mm Chainline 165 mm Crank Set w/o Ring
Shimano
Shimano FCM7100 SLX 12-speed 52 mm Chainline 165 mm Crank Set w/o Ring
From £109.99
Full Details
Link to Shimano FCM7100 SLX 12-speed 52 mm Chainline 165 mm Crank Set w/o Ring
SRAM Rival ETAP AXS Left Rear Shifter and Disc Brake Rear Brake
Save 12%
SRAM
SRAM Rival ETAP AXS Left Rear Shifter and Disc Brake Rear Brake
From £280.00 £246.00
Save £34.00
Full Details
Link to SRAM Rival ETAP AXS Left Rear Shifter and Disc Brake Rear Brake
Shimano GRX RX810 11-speed Braze-on Front Derailleur
Save 30%
Shimano
Shimano GRX RX810 11-speed Braze-on Front Derailleur
From £54.99 £38.02
Save £16.97
Full Details
Link to Shimano GRX RX810 11-speed Braze-on Front Derailleur
Shimano ST-RX400 GRX 400 2x10 Speed Mechanical STI Set with Hoses Pair
Shimano
Shimano ST-RX400 GRX 400 2x10 Speed Mechanical STI Set with Hoses Pair
From £144.99
Full Details
Link to Shimano ST-RX400 GRX 400 2x10 Speed Mechanical STI Set with Hoses Pair
Shimano RX400 GRX 10 Speed STI Lever with RX400 Disc Brake Caliper
Save 35%
Shimano
Shimano RX400 GRX 10 Speed STI Lever with RX400 Disc Brake Caliper
From £239.99 £154.78
Save £85.21
Full Details
Link to Shimano RX400 GRX 10 Speed STI Lever with RX400 Disc Brake Caliper
Sram X01 Eagle 12 Speed Rear Derailleur in Lunar Max 52T
Save 10%
SRAM
Sram X01 Eagle 12 Speed Rear Derailleur in Lunar Max 52T
From £247.00 £220.00
Save £27.00
Full Details
Link to Sram X01 Eagle 12 Speed Rear Derailleur in Lunar Max 52T
Hope E-Bike Crankset 155mm Standard Offset in Blue
Save 6%
Hope
Hope E-Bike Crankset 155mm Standard Offset in Blue
From £215.00 £200.00
Save £15.00
Full Details
Link to Hope E-Bike Crankset 155mm Standard Offset in Blue
SRAM NX Eagle DUB 12-speed Crankset in Black
Save 14%
SRAM
SRAM NX Eagle DUB 12-speed Crankset in Black
From £115.00 £98.00
Save £17.00
Full Details
Link to SRAM NX Eagle DUB 12-speed Crankset in Black
Hope E-Bike Crankset 155mm Standard Offset in Black
Save 6%
Hope
Hope E-Bike Crankset 155mm Standard Offset in Black
From £215.00 £200.00
Save £15.00
Full Details
Link to Hope E-Bike Crankset 155mm Standard Offset in Black
Shimano M-CRM85 XT 12 speed single chainring for FC-M8100/8130
Shimano
Shimano M-CRM85 XT 12 speed single chainring for FC-M8100/8130
From £74.99
Full Details
Link to Shimano M-CRM85 XT 12 speed single chainring for FC-M8100/8130
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More about Gears & Drivetrain

Discover the essential components of performance cycling with our Gears & Drivetrain category at 99 Bikes UK. Whether you’re a casual rider or a competitive cyclist, having the right gears and drivetrain is crucial for achieving the best ride possible. Our extensive selection features top-quality components from leading brands, ensuring reliability and precision for every type of bicycle.

Explore our range of gear shifters, derailleurs, cassettes, and chainsets designed to enhance your cycling experience. Each product is carefully curated to cater to various riding styles, ensuring you find the perfect match for your bike. With options for road, mountain, and hybrid bikes, you can upgrade your drivetrain with confidence.

At 99 Bikes UK, we understand that performance matters. That’s why we offer a diverse array of products to help you achieve seamless shifting, optimal gear ratios, and improved efficiency. Shop our Gears & Drivetrain collection today and elevate your cycling performance. With fast shipping and expert advice, we’re here to ensure you get the most out of your ride.