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Shifting Components

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Shimano ULTEGRA RD-R8000 Rear Derailleur 11-speed medium length
Shimano ULTEGRA RD-R8000 Rear Derailleur 11-speed medium length
Shimano
ULTEGRA RD-R8000 Rear Derailleur 11-speed medium length
£103.99
free shipping
Shimano Alivio RD-M3100 Rear Derailleur 9-speed black
Shimano Alivio RD-M3100 Rear Derailleur 9-speed black black
Shimano
Alivio RD-M3100 Rear Derailleur 9-speed black
£28.99
Shimano GRX FD-RX400 Front Derailleur 2x10 Braze-On black
Shimano GRX FD-RX400 Front Derailleur 2x10 Braze-On black black
Shimano
GRX FD-RX400 Front Derailleur 2x10 Braze-On black
£36.99 £33.99
Shimano GRX Di2 FD-RX815 Front Derailleur 2x11 Braze-On black
Shimano GRX Di2 FD-RX815 Front Derailleur 2x11 Braze-On black black
Shimano
GRX Di2 FD-RX815 Front Derailleur 2x11 Braze-On black
£232.99 £216.99
free shipping
Shimano GRX FD-RX810 Front Derailleur 2x11 Braze-On black
Shimano GRX FD-RX810 Front Derailleur 2x11 Braze-On black black
Shimano
GRX FD-RX810 Front Derailleur 2x11 Braze-On black
£57.99 £53.99
Shimano Deore XT RD-M8000 Rear Derailleur 11-speed black
Shimano Deore XT RD-M8000 Rear Derailleur 11-speed black black
Shimano
Deore XT RD-M8000 Rear Derailleur 11-speed black
£103.99 £96.99
  • Versions: mid cageLong Cage
Shimano Road SL-RS700 Shift Lever Right 11-speed clamp including cable black
Shimano Road SL-RS700 Shift Lever Right 11-speed clamp including cable black black
Shimano
Road SL-RS700 Shift Lever Right 11-speed clamp including cable black
£65.99 £60.99
Shimano GRX RD-RX810 Rear Derailleur 11-speed Direct Mount black
Shimano GRX RD-RX810 Rear Derailleur 11-speed Direct Mount black black
Shimano
GRX RD-RX810 Rear Derailleur 11-speed Direct Mount black
£114.99 £106.99
free shipping
Shimano GRX Di2 RD-RX815 Rear Derailleur 11-speed Direct Mount black
Shimano GRX Di2 RD-RX815 Rear Derailleur 11-speed Direct Mount black black
Shimano
GRX Di2 RD-RX815 Rear Derailleur 11-speed Direct Mount black
£292.99 £271.99
free shipping
SRAM Eagle AXS Controller 12-speed Right black
SRAM Eagle AXS Controller 12-speed Right black black
SRAM
Eagle AXS Controller 12-speed Right black
£194.00 £183.99
free shipping
Shimano Tiagra Shift Lever For flat handlebars SL-4700/4703 Left 2-speed clamp grey
Shimano Tiagra Shift Lever For flat handlebars SL-4700/4703 Left 2-speed clamp grey grey
Shimano
Tiagra Shift Lever For flat handlebars SL-4700/4703 Left 2-speed clamp grey
£39.99
Shimano GRX Di2 ST-RX815 Shift/Brake Lever Disc left black/anthracite
Shimano GRX Di2 ST-RX815 Shift/Brake Lever Disc left black/anthracite black/anthracite
Shimano
GRX Di2 ST-RX815 Shift/Brake Lever Disc left black/anthracite
£249.99 £231.99
free shipping
Shimano GRX ST-RX400 Shift/Brake Lever 10-speed Disc right black
Shimano GRX ST-RX400 Shift/Brake Lever 10-speed Disc right black black
Shimano
GRX ST-RX400 Shift/Brake Lever 10-speed Disc right black
£138.99
free shipping
Shimano Deore XT FD-M8100 Front Derailleur 2x12 Side Swing Low Direct Mount Front-Pull black
Shimano Deore XT FD-M8100 Front Derailleur 2x12 Side Swing Low Direct Mount Front-Pull black black
Shimano
Deore XT FD-M8100 Front Derailleur 2x12 Side Swing Low Direct Mount Front-Pull black
£51.99 £47.99
Shimano Deore XT FD-M8100 Front Derailleur 2x12 Side Swing Mid Clamp Front-Pull black
Shimano Deore XT FD-M8100 Front Derailleur 2x12 Side Swing Mid Clamp Front-Pull black black
Shimano
Deore XT FD-M8100 Front Derailleur 2x12 Side Swing Mid Clamp Front-Pull black
£51.99 £47.99
Shimano GRX ST-RX400 Shift/Brake Lever 2-speed Disc left black
Shimano GRX ST-RX400 Shift/Brake Lever 2-speed Disc left black black
Shimano
GRX ST-RX400 Shift/Brake Lever 2-speed Disc left black
£138.99
free shipping
SRAM GX Eagle AXS Rear Derailleur 12-speed 52T lunar
SRAM GX Eagle AXS Rear Derailleur 12-speed 52T lunar lunar
SRAM
GX Eagle AXS Rear Derailleur 12-speed 52T lunar
£342.00 £324.99
free shipping
Shimano SLX SL-M7100 I-Spec EV Gear Lever 2-speed left black
Shimano SLX SL-M7100 I-Spec EV Gear Lever 2-speed left black black
Shimano
SLX SL-M7100 I-Spec EV Gear Lever 2-speed left black
£42.99 £39.99
Shimano GRX ST-RX810 Shift/Brake Lever for Adjustable Seatposts Disc Left black/grey
Shimano GRX ST-RX810 Shift/Brake Lever for Adjustable Seatposts Disc Left black/grey black/grey
Shimano
GRX ST-RX810 Shift/Brake Lever for Adjustable Seatposts Disc Left black/grey
£219.99 £204.99
free shipping
SRAM X01 DH X-Actuation Trigger Shifter 7-speed Discrete Clamp black
SRAM X01 DH X-Actuation Trigger Shifter 7-speed Discrete Clamp black black
SRAM
X01 DH X-Actuation Trigger Shifter 7-speed Discrete Clamp black
£141.00
free shipping
Shimano Deore XT FD-M8100 Front Derailleur 2x12 Side Swing High Direct Mount Front-Pull black
Shimano Deore XT FD-M8100 Front Derailleur 2x12 Side Swing High Direct Mount Front-Pull black black
Shimano
Deore XT FD-M8100 Front Derailleur 2x12 Side Swing High Direct Mount Front-Pull black
£51.99 £47.99
Shimano Tourney SL-RS45 Grip Shifter 7-Speed Right
Shimano Tourney SL-RS45 Grip Shifter 7-Speed Right
Shimano
Tourney SL-RS45 Grip Shifter 7-Speed Right
£8.69
Shimano Tourney SL-RS45 Grip Shifter 3-speed left
Shimano Tourney SL-RS45 Grip Shifter 3-speed left
Shimano
Tourney SL-RS45 Grip Shifter 3-speed left
£8.69
Shimano Tourney RD-TY500 Rear Derailleur Direct Mount 6/7 speed
Shimano Tourney RD-TY500 Rear Derailleur Direct Mount 6/7 speed
Shimano
Tourney RD-TY500 Rear Derailleur Direct Mount 6/7 speed
£9.69
Shimano NEXUS SL-3S41 Grip Shifter 3-speed right black
Shimano NEXUS SL-3S41 Grip Shifter 3-speed right black black
Shimano
NEXUS SL-3S41 Grip Shifter 3-speed right black
£14.99 £12.99
- 13 %
Shimano ST-EF500-4 Gear/Brake Lever front 3-speed black
Shimano ST-EF500-4 Gear/Brake Lever front 3-speed black black
Shimano
ST-EF500-4 Gear/Brake Lever front 3-speed black
£13.99
Shimano SL-RV200 Grip Shifter Right 7-speed Clamp
Shimano SL-RV200 Grip Shifter Right 7-speed Clamp
Shimano
SL-RV200 Grip Shifter Right 7-speed Clamp
£6.89
Shimano SL-M315 Shift Lever Rapidfire Plus 3-speed left black
Shimano SL-M315 Shift Lever Rapidfire Plus 3-speed left black black
Shimano
SL-M315 Shift Lever Rapidfire Plus 3-speed left black
£13.99
Shimano Tourney SL-RS36 Grip Shifter 6-speed right black/silver
Shimano Tourney SL-RS36 Grip Shifter 6-speed right black/silver black/silver
Shimano
Tourney SL-RS36 Grip Shifter 6-speed right black/silver
£8.69
SRAM MRX Grip Shifter Comp 7-speed rear/right black
SRAM MRX Grip Shifter Comp 7-speed rear/right black black
SRAM
MRX Grip Shifter Comp 7-speed rear/right black
£10.00
Shimano SL-RV200 Grip Shifter Right 6-speed Clamp
Shimano SL-RV200 Grip Shifter Right 6-speed Clamp
Shimano
SL-RV200 Grip Shifter Right 6-speed Clamp
£6.89
Shimano Acera RD-M360 Rear Derailleur black
Shimano Acera RD-M360 Rear Derailleur black black
Shimano
Acera RD-M360 Rear Derailleur black
£24.99 £22.99
Shimano ST-EF500-4 Gear/Brake Lever rear 7-speed black
Shimano ST-EF500-4 Gear/Brake Lever rear 7-speed black black
Shimano
ST-EF500-4 Gear/Brake Lever rear 7-speed black
£14.99 £13.99
Shimano Tourney SL-TX50 Thumb Shifter 7-speed right black/silver
Shimano Tourney SL-TX50 Thumb Shifter 7-speed right black/silver black/silver
Shimano
Tourney SL-TX50 Thumb Shifter 7-speed right black/silver
£9.69
SRAM X4 Trigger Gear Lever rear/right 8-speed black
SRAM X4 Trigger Gear Lever rear/right 8-speed black black
SRAM
X4 Trigger Gear Lever rear/right 8-speed black
£15.99
Shimano SL-M315 Shift Lever Rapidfire Plus 8-speed right black
Shimano SL-M315 Shift Lever Rapidfire Plus 8-speed right black black
Shimano
SL-M315 Shift Lever Rapidfire Plus 8-speed right black
£14.99
Shimano Tourney SL-TX50 Thumb Shifter 6-speed right black/silver
Shimano Tourney SL-TX50 Thumb Shifter 6-speed right black/silver black/silver
Shimano
Tourney SL-TX50 Thumb Shifter 6-speed right black/silver
£9.69
SRAM 3.0 Comp Grip Shifter 3 Speed Front / Left-Hand black
SRAM 3.0 Comp Grip Shifter 3 Speed Front / Left-Hand black black
SRAM
3.0 Comp Grip Shifter 3 Speed Front / Left-Hand black
£7.79
Shimano Tourney SL-TX50 Thumb Shifter 3-speed left SIS black/silver
Shimano Tourney SL-TX50 Thumb Shifter 3-speed left SIS black/silver black/silver
Shimano
Tourney SL-TX50 Thumb Shifter 3-speed left SIS black/silver
£9.69
SRAM MRX Comp Grip Shifter 8-speed rear/right
SRAM MRX Comp Grip Shifter 8-speed rear/right
SRAM
MRX Comp Grip Shifter 8-speed rear/right
£11.00
Shimano Tourney SL-RS36 Grip Shifter 7-speed right black/silver
Shimano Tourney SL-RS36 Grip Shifter 7-speed right black/silver black/silver
Shimano
Tourney SL-RS36 Grip Shifter 7-speed right black/silver
£8.69
Shimano Steps SW-E8000 Switch Left
Shimano Steps SW-E8000 Switch Left
Shimano
Steps SW-E8000 Switch Left
£111.99 £36.99
- 67 %
Shimano ST-EF500-2 Gear/Brake Lever front 3-speed black
Shimano ST-EF500-2 Gear/Brake Lever front 3-speed black black
Shimano
ST-EF500-2 Gear/Brake Lever front 3-speed black
£13.99
Shimano SL-M315 Shift Lever Rapidfire Plus 7-speed right black
Shimano SL-M315 Shift Lever Rapidfire Plus 7-speed right black black
Shimano
SL-M315 Shift Lever Rapidfire Plus 7-speed right black
£13.99
Shimano Alivio SL-M3100 Shift Lever 3-speed left grey
Shimano Alivio SL-M3100 Shift Lever 3-speed left grey grey
Shimano
Alivio SL-M3100 Shift Lever 3-speed left grey
£21.99 £19.99
Shimano Claris FD-R2000 Front Derailleur 2x8-speed Down Swing Clamp High grey
Shimano Claris FD-R2000 Front Derailleur 2x8-speed Down Swing Clamp High grey grey
Shimano
Claris FD-R2000 Front Derailleur 2x8-speed Down Swing Clamp High grey
£19.99 £18.99
  • Versions: 61-66°
Shimano Tourney SL-RS36 Grip Shifter 3-speed left black
Shimano Tourney SL-RS36 Grip Shifter 3-speed left black black
Shimano
Tourney SL-RS36 Grip Shifter 3-speed left black
£7.79
Shimano Tourney FD-TX800-TS3 Front Derailleur Top Swing 7/8-speed black/silver
Shimano Tourney FD-TX800-TS3 Front Derailleur Top Swing 7/8-speed black/silver black/silver
Shimano
Tourney FD-TX800-TS3 Front Derailleur Top Swing 7/8-speed black/silver
£10.99
  • Versions: 63-66° angle of chain stay66-69° angle of chain struts

Bike Gearing: precision mechanics

From the first velocipedes invented in 1818 to the mountain bike, the history of cycling is one of constant technical improvement. One of the essential components of a bike is its gearing. Your bike will always have one of four gearing systems: single speed, fixed gears, hub gears and derailleur gears.

Bike gearing

Single speed

A single speed bike is equipped with a single gear ratio: one chainring at the front and a smaller sprocket at the rear. Single speeds have a drivetrain with a freewheel mechanism. This means that the wheel can rotate without the pedals needing to and you’re able to back pedal.

Pros

  • No gears or shifting means an uncomplicated, fuss-free ride
  • The absence of gears and brakes makes for a far lighter bike
  • Easy to maintain and clean

Cons

  • Uphills and downhills can be a bit of a pain without extra gears

Fixed gears

A fixed-gear bike is a type of single speed bicycle, but one that has a drivetrain with no freewheel mechanism. This means that the bike pedals must continue to rotate whenever the bike is moving – even if you stop pedalling.

Pros

  • As with the single speed, no gears etc mean a simple, unfussy ride and a far lighter bike
  • Constant rotation of the pedals offers a unique ride feel and thrill
  • Stylish looks

Cons

  • Less user-friendly. They are harder to corner, ascend and descend
  • No handbrakes, so you may choose to have some installed

Hub gears

Internal hub gears work on the principle of planetary gearing and are mounted on the rear wheel hub. The classic gear hub offers three speeds and five speeds, however there are modern gear hubs available today that offer many more speeds than that.

Pros

  • Long life and requires little maintenance
  • Usually uncomplicated operation
  • It’s also possible to shift gears when the bike is stationary
  • Protected from the elements

Cons

  • Possibly perceived limited sporting flair
  • Harder to maintain if you need to

Derailleur gears

The majority of bicycles are equipped with a derailleur gear transmission system which is made up of the following: a front derailleur, rear derailleur, crankset, pedals, shifters, brakes, rear cassette and chain.

Pros

  • Spare parts are usually available quickly
  • More sporty flair than a hub gear system
  • Comparatively low weight
  • Ascent and descents are much easier with a range of gears at your disposal

Cons

  • High maintenance and high cleaning effort required
  • Chain protection is often not possible