Bicycle Parts

Skip to results list
755 items
Column grid
Column grid
  • PROMEND PD-M42 1 Pair Mountain Bicycle Nylon High-speed Bearing Pedals

    NIS Store

    PROMEND PD-M42 1 Pair Mountain Bicycle Nylon High-speed Bearing Pedals

    £9.00
  • BIKERSAY BT040S3 Bicycle Press-in Type Axis Bracket Static Installation Removal Tool Set, Simple Edition

    NIS Store

    BIKERSAY BT040S3 Bicycle Press-in Type Axis Bracket Static Installation Removal Tool Set, Simple Edition

    £16.00
  • BIKERSAY BT031B T-shaped Socket MTB Road Bike Built-in Tool Steel Concealed Spoke Cap Wrench(5.5mm Hexagon Socket), 4.7mm Hexagon Socket, 5.5mm Hexagon Socket

    NIS Store

    BIKERSAY BT031B T-shaped Socket MTB Road Bike Built-in Tool Steel Concealed Spoke Cap Wrench(5.5mm Hexagon Socket), 4.7mm Hexagon Socket, 5.5mm Hexagon Socket

    £4.00
  • BIKERSAY BT043 Bicycle Oil Needle Insertion Tool, Insertion Tool (Black), Insertion Tool (Silver Grey)

    NIS Store

    BIKERSAY BT043 Bicycle Oil Needle Insertion Tool, Insertion Tool (Black), Insertion Tool (Silver Grey)

    £8.00
  • BIKERSAY BT040B Bike Axle Cente Press-In Shaft Static Installation Disassembly Tool

    NIS Store

    BIKERSAY BT040B Bike Axle Cente Press-In Shaft Static Installation Disassembly Tool

    £11.00
  • QL1 One Pair Steel Bike Pedal Spacer Extenders Bicycle Pedal Spacers for 9/16 inch Threaded Pedals

    NIS Store

    QL1 One Pair Steel Bike Pedal Spacer Extenders Bicycle Pedal Spacers for 9/16 inch Threaded Pedals

    £4.00
  • 7 in 1 Universal PVC Bicycle Variable Speed Cable Tube Set

    NIS Store

    7 in 1 Universal PVC Bicycle Variable Speed Cable Tube Set

    £2.00
  • 8 PCS/Set Titanium Alloy Bicycle Pedal Anti-slip Screw M4

    NIS Store

    8 PCS/Set Titanium Alloy Bicycle Pedal Anti-slip Screw M4

    £7.00
  • PROMEND SD-567 Hollow Breathable Silicone Racing Bicycle Saddle

    NIS Store

    PROMEND SD-567 Hollow Breathable Silicone Racing Bicycle Saddle

    £8.00
  • ZTTO 10M Bicycle Tire Liner Puncture Proof Belt Protection Pad 25mm

    NIS Store

    ZTTO 10M Bicycle Tire Liner Puncture Proof Belt Protection Pad 25mm

    £3.00
  • Universal Bicycle Brake Cable Tube Set

    NIS Store

    Universal Bicycle Brake Cable Tube Set

    £2.00

Bicycle Parts: Saddles, Grips, Pedals, Brakes, Chains, Tyres and Repair Parts

Bicycle parts wear out with use and need replacing to keep the bike safe and comfortable. Upgrading parts can also improve comfort and performance. This category covers saddles, grips, pedals, seat posts, quick releases, pipe clamps, bottom brackets, caps, guide wheels, valve caps, mudguards, brake parts, chains, tyres, screws, front forks and maintenance tools.

Checking compatibility

Bike parts come in many standards. Before ordering, check:

  • Wheel size: 20, 24, 26, 27.5, 29 inches or 700c.
  • Tyre width and valve type (Presta or Schrader).
  • Brake type: rim brakes (V-brakes, calipers) or disc brakes (mechanical or hydraulic).
  • Seat post diameter, such as 27.2 mm or 31.6 mm.
  • Drivetrain speeds: chains must match the number of gears.
  • Bottom bracket type and fork steerer size.

Saddles and seat posts

A comfortable saddle depends on riding position and anatomy. Wider saddles suit upright city riding, while narrower saddles suit sporty riding. Suspension seat posts absorb bumps.

Grips and pedals

Ergonomic grips reduce hand numbness. Flat pedals suit casual riding; clipless pedals improve efficiency for sport riders.

Brakes

Brake pads wear and must be replaced regularly. Match pads to brake type. Hydraulic disc brakes need bleeding when the lever feels soft. Brakes are safety-critical, so if you are unsure, have them checked by a mechanic.

Chains and drivetrain

Chains stretch with use, wearing gears faster. Measure chain wear with a chain checker and replace the chain in time to protect cassettes and chainrings.

Tyres

Choose tyres by terrain: slick tyres for roads, knobby tyres for off-road and hybrid tyres for mixed use. Puncture-resistant tyres reduce flats for commuters.

Maintenance tools

Multi-tools, chain tools, tyre levers and pumps allow repairs at home and on rides.

Practical tips

  • Check compatibility before ordering.
  • Replace brake pads and chains regularly.
  • Inflate tyres to the recommended pressure.
  • Keep a basic tool kit on rides.

Regular maintenance and timely part replacement keep the bike safe and enjoyable to ride.

Related categories: Outdoor & Sports, Bicycle Accessories, Scooters, Camping