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Apparel : Clothing Accessories : Eyewear 2
Apparel : Clothing Accessories : Gloves - MTB 4
Apparel : Clothing Accessories : Gloves - Road 19
Apparel : Clothing Accessories : Gloves - Winter 7
Apparel : Clothing Accessories : Socks 5
Apparel : Clothing Accessories : Warmers and Sleeves 1
Apparel : Helmets : Helmets - BMX 2
Apparel : Helmets : Helmets - Fullface 2
Apparel : Helmets : Helmets - Kids 21
Apparel : Helmets : Helmets - MTB 39
Apparel : Helmets : Helmets - Parts 4
Apparel : Helmets : Helmets - Road 34
Apparel : Helmets : Helmets - Sport 14
Apparel : Shoes : Shoes - MTBClipless 6
Apparel : Shoes : Shoes - MTBFlat 2
Apparel : Shoes : Shoes - Road 8
Apparel : Tops & Bottoms : Baselayers 4
Apparel : Tops & Bottoms : Jackets 8
Apparel : Tops & Bottoms : JerseysMTB 1
Apparel : Tops & Bottoms : JerseysRoad 6
Apparel : Tops & Bottoms : Knicks 8
Apparel : Tops & Bottoms : Shorts 5
Parts & Maintenance : Other : Wheels 2

Clearance Item

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Mens 50
Womens 20
Unisex 70
Kids 6
Youth 24

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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.

Giro Montaro III MIPS MTB Helmet Matte Black 2025

Giro Montaro III MIPS MTB Helmet Matte Black 2025

New Coming SoonComing SoonComing Soon

Giro Montaro III MIPS MTB Helmet Matte Black 2025

Regular price $280.00 Full price

Sale price $280.00

Club price

Regular price $299.99 Full price

Unit price

/per

Size

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SM

MD

LG

Giro Regime Road Shoes White

Giro Regime Road Shoes White

42% Off Full Price

Giro Regime Road Shoes White

Regular price $230.00 Full price

Sale price $230.00

Club price

Regular price $399.00 Full price

Unit price

/per

Size

Translation missing: en.products.product.variant_options

Shoes - 41

Shoes - 42

Shoes - 43

Shoes - 44

Shoes - 45

Shoes - 46

Shoes - 47

Shoes - 48

Giro Isode II MIPS MTB Helmet Yellow UNI 2025

Giro Isode II MIPS MTB Helmet Yellow UNI 2025

Coming Soon

Giro Isode II MIPS MTB Helmet Yellow UNI 2025

Regular price $120.00 Full price

Sale price $120.00

Club price

Regular price $139.99 Full price

Unit price

/per

Giro Agilis MIPS Road Helmet Matte Black 2025

Giro Agilis MIPS Road Helmet Matte Black 2025

New

Giro Agilis MIPS Road Helmet Matte Black 2025

Regular price $169.00 Full price

Sale price $169.00

Club price

Regular price $179.99 Full price

Unit price

/per

Size

Translation missing: en.products.product.variant_options

LG

MD

SM

Giro Radix MIPS MTB Helmet Matte Black 2025

Giro Radix MIPS MTB Helmet Matte Black 2025

New

Giro Radix MIPS MTB Helmet Matte Black 2025

Regular price $169.00 Full price

Sale price $169.00

Club price

Regular price $174.99 Full price

Unit price

/per

Size

Translation missing: en.products.product.variant_options

LG

SM

Giro Isode II MIPS MTB Helmet Matte Stone UNI 2025

Giro Isode II MIPS MTB Helmet Matte Stone UNI 2025

Giro Isode II MIPS MTB Helmet Matte Stone UNI 2025

Regular price $120.00 Full price

Sale price $120.00

Club price

Regular price $139.99 Full price

Unit price

/per

Giro Isode II MIPS MTB Helmet Dark Sage UNI 2025

Giro Isode II MIPS MTB Helmet Dark Sage UNI 2025

Giro Isode II MIPS MTB Helmet Dark Sage UNI 2025

Regular price $120.00 Full price

Sale price $120.00

Club price

Regular price $139.99 Full price

Unit price

/per

Giro Isode II MIPS MTB Helmet Matte Black UNI 2025

Giro Isode II MIPS MTB Helmet Matte Black UNI 2025

Giro Isode II MIPS MTB Helmet Matte Black UNI 2025

Regular price $120.00 Full price

Sale price $120.00

Club price

Regular price $139.99 Full price

Unit price

/per

Giro Aries Spherical MIPS Road Helmet Matte White 2025

Giro Aries Spherical MIPS Road Helmet Matte White 2025

New Coming SoonComing SoonComing Soon

Giro Aries Spherical MIPS Road Helmet Matte White 2025

Regular price $499.00 Full price

Sale price $499.00

Club price

Regular price $529.99 Full price

Unit price

/per

Size

Translation missing: en.products.product.variant_options

SM

MD

LG

Giro Trixter Youth MTB Gloves Purple 2025

New Coming SoonComing SoonComing Soon

Giro Trixter Youth MTB Gloves Purple 2025

Regular price $33.00 Full price

Sale price $33.00

Club price

Regular price $36.99 Full price

Unit price

/per

Size

Translation missing: en.products.product.variant_options

LG

MD

SM

Giro Trixter Youth MTB Gloves Black 2025

New Coming SoonComing SoonComing Soon

Giro Trixter Youth MTB Gloves Black 2025

Regular price $33.00 Full price

Sale price $33.00

Club price

Regular price $36.99 Full price

Unit price

/per

Size

Translation missing: en.products.product.variant_options

LG

MD

SM

Giro Jag Gloves Trail Green

15% Off Full Price

Giro Jag Gloves Trail Green

Regular price $38.00 Full price

Sale price $38.00

Club price

Regular price $44.99 Full price

Unit price

/per

Size

Translation missing: en.products.product.variant_options

SM

MD

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XL

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Stand with your back straight against a wall
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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.

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We can't make a recommendation on size for the based on your details.

Finding the right sized bike for you is important to get the most enjoyment out of your new bike. Either we the size for you isn't available at your store, we don’t have the required data or your height is outside the range of this bike.

If you head instore our team will provide a free professional measure up and recommend the best bikes to suit your needs or you can reach out to our customer service team who can provide you with more guidance over the phone.

Call 1800 990 523 for Customer Service

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Recommended sizes will now be highlighted on the page.

At 99 Bikes we stock the widest range of Giro Helmets and cycling apparel. Shop online or in-store today.

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