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Not sure what sized bike is best?

Answer a few short questions and we'll make a recommendation on which size is best for you.

Find Your Size

Step 1: Measure your height

  • Take off your shoes
  • Stand with your back straight against a wall
  • Balance a book on your head to mark your height on the wall
  • Measure your height by the distance from the floor to the mark
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Step 2: Adjust your inseam

  • Based on your height, we’ve calculated a starting point.
  • You can measure your inseam by tucking a book between your legs so there is pressure but it isn’t uncomfortable.
  • Inseam typically falls with 5cm of the average.
cm

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Shop BPW at 99 Bikes

BPW brings you essential, cost-conscious replacement parts and consumables so you can keep your bike rolling and stopping reliably without breaking the bank. Find brakes, tubes, drivetrain bits and wheels that deliver dependable performance day after day. Quality you can trust, prices you’ll like.

The BPW Story

BPW stands for Bicycle Parts Wholesale, a family-run business that started as Incomex Trading and has grown over decades into one of New Zealands’s most trusted suppliers of spare parts and consumables for bikes. Under new ownership since 2006, BPW has expanded its range and improved packaging, stock control and wholesale systems to better serve riders and bike shops across the country.

Because BPW focuses on necessities for servicing and replacement parts, odd sizes, standard items like cables, tubes, wheels, brakes, your bike benefits from wide stock, compatibility and affordable pricing. The things wear out, and BPW makes them easy to replace.

Why Ride BPW?

  • Everyday affordability. BPW sources durable parts that replace what wears out most often, brake pads, inner tubes, wheels, so you only pay for value where it matters.
  • Reliable compatibility over time. Stocking items in odd sizes and standard formats means your bike’s needs are likely covered, even for older or budget models.
  • Tested durability. Components undergo basic quality standards so that what leaves the shelf works as expected, no surprises, just safe rides.
  • Simple, supply chain.With distribution across New Zealand, BPW ensures faster restock and better supply to bike shops and riders here.

Popular BPW Ranges Explained

BPW Brakes

This category covers pads, levers and brake cables that suit rim brakes or disc systems depending on your ride. With BPW Brakes you get parts that match common standards so your stopping power stays strong without expensive price tags.

BPW Tubes

BPW Tubes include inner tubes in standard sizes for kids, hybrid, mountain bike or road bikes in both Schrader and Presta valve types. These essentials guard against flats and are made to fit reliably wherever and whenever you need replacements.

BPW Drivetrain Other

Drivetrain Other offers chain rings, crank arms and parts like chain-connectors to keep power delivery smooth. These parts wear with use and BPW provides solid, correct fit replacements to help your bike shift right.

BPW Wheels

Wheels includes rims, spokes, hubs and complete wheel sets for common wheel-diameters. BPW Wheels cover everyday ride needs, letting you get back rolling after damage without paying premium for fancy extras.