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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
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Gears & Drivetrain Spares

566 Results

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566 Results

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566 Results

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£4,050
Shimano Deore RD-M5100 11-speed Shadow+ SGS Long Cage Rear Derailleur
Shimano
Shimano Deore RD-M5100 11-speed Shadow+ SGS Long Cage Rear Derailleur
From £49.99
Full Details
Link to Shimano Deore RD-M5100 11-speed Shadow+ SGS Long Cage Rear Derailleur
Shimano SL-M315-8R Band On 8-speed Right Hand Shift Lever
Shimano
Shimano SL-M315-8R Band On 8-speed Right Hand Shift Lever
From £22.99
Full Details
Link to Shimano SL-M315-8R Band On 8-speed Right Hand Shift Lever
Shimano Tiagra CS-HG500 10 Speed Cassette 11 - 34T
Shimano
Shimano Tiagra CS-HG500 10 Speed Cassette 11 - 34T
From £39.99
Full Details
Link to Shimano Tiagra CS-HG500 10 Speed Cassette 11 - 34T
Shimano Ultegra CS-R8101 11 - 34T 12-speed Cassette
Shimano
Shimano Ultegra CS-R8101 11 - 34T 12-speed Cassette
From £119.99
Full Details
Link to Shimano Ultegra CS-R8101 11 - 34T 12-speed Cassette
Shimano EW-SD300 E-tube Di2 Electric Wire
Save 23%
Shimano
Shimano EW-SD300 E-tube Di2 Electric Wire
From £25.99 £19.99
Save £6.00
Full Details
Link to Shimano EW-SD300 E-tube Di2 Electric Wire
Shimano Deore M4100 10-Speed Cassette CS-M4100
Shimano
Shimano Deore M4100 10-Speed Cassette CS-M4100
From £49.99
Full Details
Link to Shimano Deore M4100 10-Speed Cassette CS-M4100
Shimano CN-M6100 Deore M6100 12 Speed Chain with Quick Link - 126L
Shimano
Shimano CN-M6100 Deore M6100 12 Speed Chain with Quick Link - 126L
From £27.99
Full Details
Link to Shimano CN-M6100 Deore M6100 12 Speed Chain with Quick Link - 126L
Shimano SM-BB71 Road Press Fit Bottom Bracket With Inner Cover 86.5mm
Shimano
Shimano SM-BB71 Road Press Fit Bottom Bracket With Inner Cover 86.5mm
From £32.99
Full Details
Link to Shimano SM-BB71 Road Press Fit Bottom Bracket With Inner Cover 86.5mm
Sram Etap Battery For Front or Rear Derailleur
SRAM
Sram Etap Battery For Front or Rear Derailleur
From £56.00
Full Details
Link to Sram Etap Battery For Front or Rear Derailleur
SRAM Universal Derailleur Hanger
SRAM
SRAM Universal Derailleur Hanger
From £16.00
Full Details
Link to SRAM Universal Derailleur Hanger
Shimano SLX M7100 12 Speed Cassette
Shimano
Shimano SLX M7100 12 Speed Cassette
From £114.99
Full Details
Link to Shimano SLX M7100 12 Speed Cassette
Shimano BB-R60 Ultegra 105 Bottom Bracket
Shimano
Shimano BB-R60 Ultegra 105 Bottom Bracket
From £32.99
Full Details
Link to Shimano BB-R60 Ultegra 105 Bottom Bracket
Shimano Deore HG50 10 Speed Cassette 11-36T
Shimano
Shimano Deore HG50 10 Speed Cassette 11-36T
From £44.99
Full Details
Link to Shimano Deore HG50 10 Speed Cassette 11-36T
Shimano SM-UG51 6/7/8-speed Pack of 2 Quick link for Shimano Chain
Shimano
Shimano SM-UG51 6/7/8-speed Pack of 2 Quick link for Shimano Chain
From £4.99
Full Details
Link to Shimano SM-UG51 6/7/8-speed Pack of 2 Quick link for Shimano Chain
Shimano SM-CN91012 12-speed Chain Quick Links 2 Pack in Silver
Shimano
Shimano SM-CN91012 12-speed Chain Quick Links 2 Pack in Silver
From £14.99
Full Details
Link to Shimano SM-CN91012 12-speed Chain Quick Links 2 Pack in Silver
Shimano MF-TZ500 7-speed Multiple Freewheel 14-34T
Shimano
Shimano MF-TZ500 7-speed Multiple Freewheel 14-34T
From £29.99
Full Details
Link to Shimano MF-TZ500 7-speed Multiple Freewheel 14-34T
Shimano Tiagra CS-HG500 10 Speed Cassette 11 - 32T
Shimano
Shimano Tiagra CS-HG500 10 Speed Cassette 11 - 32T
From £39.99
Full Details
Link to Shimano Tiagra CS-HG500 10 Speed Cassette 11 - 32T
SRAM GX Eagle 12-speed Rear Derailleur in Lunar
Save 13%
SRAM
SRAM GX Eagle 12-speed Rear Derailleur in Lunar
From £122.00 £105.00
Save £17.00
Full Details
Link to SRAM GX Eagle 12-speed Rear Derailleur in Lunar
SRAM GX Eagle XG-1275 12-Speed Cassette 10-50T in Black
Save 12%
SRAM
SRAM GX Eagle XG-1275 12-Speed Cassette 10-50T in Black
From £217.00 £189.00
Save £28.00
Full Details
Link to SRAM GX Eagle XG-1275 12-Speed Cassette 10-50T in Black
Sram BB DUB Pressfit MTB Bottom Bracket 89.5 - 92mm
SRAM
Sram BB DUB Pressfit MTB Bottom Bracket 89.5 - 92mm
From £44.00
Full Details
Link to Sram BB DUB Pressfit MTB Bottom Bracket 89.5 - 92mm
Shimano Alivio M3100 9-speed Rear Derailleur Shadow SGS Long in Black
Shimano
Shimano Alivio M3100 9-speed Rear Derailleur Shadow SGS Long in Black
From £42.99
Full Details
Link to Shimano Alivio M3100 9-speed Rear Derailleur Shadow SGS Long in Black
Shimano Ultegra CS-HG800 11-speed cassette 11 - 34T
Shimano
Shimano Ultegra CS-HG800 11-speed cassette 11 - 34T
From £94.99
Full Details
Link to Shimano Ultegra CS-HG800 11-speed cassette 11 - 34T
RR MECH Altus M310 8spd BK Black
Shimano
RR MECH Altus M310 8spd BK Black
From £34.99
Full Details
Link to RR MECH Altus M310 8spd BK Black
Shimano BB71 Bottom Bracket for 92 or 89.5mm
Shimano
Shimano BB71 Bottom Bracket for 92 or 89.5mm
From £32.99
Full Details
Link to Shimano BB71 Bottom Bracket for 92 or 89.5mm
Shimano CN-HG901 Dura-Ace 9000 XTR 11 Speed Chain with Quick Link 116L
Shimano
Shimano CN-HG901 Dura-Ace 9000 XTR 11 Speed Chain with Quick Link 116L
From £49.99
Full Details
Link to Shimano CN-HG901 Dura-Ace 9000 XTR 11 Speed Chain with Quick Link 116L
SRAM FORCE E1 Flattop 12/13 speed Chain with PowerLock - 126 LINKS
SRAM
SRAM FORCE E1 Flattop 12/13 speed Chain with PowerLock - 126 LINKS
From £60.00
Full Details
Link to SRAM FORCE E1 Flattop 12/13 speed Chain with PowerLock - 126 LINKS
SRAM Rival AXS XG-1250 12-Speed Cassette
SRAM
SRAM Rival AXS XG-1250 12-Speed Cassette
From £118.00
Full Details
Link to SRAM Rival AXS XG-1250 12-Speed Cassette
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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.