The Serfas Incline Enduro is designed with lots of ventilation (18 vents) to help keep air flowing and make sure you stay nice and cool. In-mold construction provides strong impact protection while adjustable straps and rear easy-to-adjust fit system knob makes sure your helmet stays properly snug. - Enduro Fit - In-Mold Construction - Adjustable Straps - Removable Visor - Easy-To-Adjust Fit System (Rear Knob) - Integrated Bug Net - Vent Count: 18

The Serfas Kilowatt is E-Bike certified and features adjustable venting which be can be opened or closed depending on how much air flow you want, also a built-in rear LED safety light for added visibility with additional reflective design accents, and an easy-to-adjust fit system. - Tested and Certified to NTA 8776 E-Bike Helmet Standards - Adjustable Top Vents (Slide Open/Close) - Built-In Rear Light - Rear-Facing Reflective Accents - Adjustable Straps - Easy-To-Adjust Fit System (Rear Knob) - Weight: 484 Grams - Vent Count: 8 - Sizes: S/M (54-58cm), L/XL (58-61cm)

- Replacement padding for Kickstart and Kickstart Lite

- Replacement padding for Lumos Matrix and Street helmets

Handlebar mount for Lumos remote

- COB LED Technology: it's a more compact footprint while delivering a higher intensity of light, meaning you'll be seen from further away and gives the lights a more uniform look - The helmet will be equipped with 98 COB LEDs in total - Front Light (30 COB LED diodes) - Rear Lights with Turn Signals (34 red COB LED diodes, 34 orange COB LED diodes) - 1100mAh rechargeable battery providing up to 10 hours with the lights set on maximum brightness - USB-C Charging Connection (Chargeable with a 5V—5.2V & 0.5A charger) - Remote included for turn Signal - Option to buy a Lumos Remote to activate Automated Brake Lights. (The Remote Lite included with Ultra doesn't come with an accelerometer and can only be used to activate turn signals) - Lumos Companion App: Customize your light flashing patterns, check your battery life, track your activity, and sync with Strava and Apple Health - Maximum Venting - MIPS technology Sizing: - Small: 51 – 55cm / 20 – 21.6" - Medium/Large: 54 – 61cm / 21.3 – 24" - X-Large: 61 – 65cm / 24 – 25.6"

Don't underestimate the power of new pads! The Register Helmet Pad Kit replaces your worn-out pads by improving the comfort, fit, and stability of your helmet while wicking away moisture.

Replace your lost, broken or worn-out visor with the Register MIPS XL Visor. It'll keep the sun out of your eyes while adding extra style to your helmet, so you can ride with more focus without having to squint.

Don't underestimate the power of new pads! The Montaro MIPS Helmet Pad Kit replaces your worn-out pads by improving the comfort, fit, and stability of your helmet while wicking away moisture.

Lights, Camera, You Name it The Accessory Mount is a great solution for attaching your GoPro-style mount to your helmet, seatpost, handlebar, selfie-stick or just about anything else. The banded system offers easy attachment, the 270 degree rotation helps you position your camera so that you can get the shot every time, and the omni-directional breakaway feature will take the hit in a crash (possibly saving your camera equipment). With the Accessory Mount, your imagination is the only thing holding you back. Features - Omni-directional breakaway, 270 Degree Rotation

The Mountain/Urban Recreational Helmet Vent Light is one of the easiest and most powerful ways to increase visibility and safety on the road. Compatible with Fixture MIPS, Verce MIPS, Cormick MIPS, Trella MIPS, and Tremor™ MIPS.

The Sport Recreational Helmet Vent Light is one of the easiest and most powerful ways to increase visibility and safety on the road.

Don't underestimate the power of new pads! The Vanquish Helmet Pad Kit replaces your worn-out pads by improving the comfort, fit, and stability of your helmet while wicking away moisture.

The Roc Loc 5 Led Light is one of the easiest and most powerful ways to increase visibility and safety on the road.

The Fixture's confident mountain bike style and breezy ventilation combine in a compact design that complements nearly any ride -- especially when there's dirt under the tread. Some of Giro's best features, like In-Mold construction coupled with the ease and comfort of their acclaimed Roc Loc Sport fit system, offer the versatility you need to ride everything from fire-road adventures to swooping singletrack trails. The Fixture's styling and color options will keep you feeling good mile after mile. - 54 – 61cm / 21.25 – 24 in.

The Scamp is packed with amazing features, including some of the same elements found in Giro's best adult helmets, all in a smaller package designed to fit your child. The all new Roc Loc Jr. fit system with pinch-guard buckle provides an easy way to fit your kid’s helmet quickly and securely. With a wide size range, your child can use this helmet as they grow from balance bikes to training wheels. The design is inspired by the adults’ Montaro/ Montara, and since the Scamp is available in a range of kid-friendly colors and designs, your child will be excited to wear it every time they ride.

The Scamp MIPS is packed with amazing features, including some of the same elements found in Giro's best adult helmets, all in a smaller package designed to fit your child. The Roc Loc Jr. fit system with pinch-guard buckle provides an easy way to fit your kid’s helmet quickly and securely. The wide size range ensures children can use this helmet as they grow from balance bikes to training wheels. The design is inspired by the adult Montaro MIPS / Montara MIPS, and since the Scamp MIPS is available in a range of kid-friendly colors and designs, children will be excited to wear it every time they ride. Scamp MIPS models are available with the Multi-Directional Impact Protection System. MIPS can redirect energy and provide more protection in certain impacts.

Giro created the Bronte for riders in search of the renowned Giro fit and in need of an extra-large size. Inspired by the sleek style and cooling ventilation of the Register helmet, the Bronte MIPS is at home on pavement or the trail. In-Mold construction is used to make it light without compromising durability, and the acclaimed, adjustable Roc Loc Sport MIPS system makes it easy to custom-tune the fit for comfort and stability. - 61 – 65cm / 24 – 25.55 in.

The Dime is a kid-sized version of the rugged quarter adult helmet, so it has all of the same great features—an eps liner for impact management, a tough outer shell, riveted webbing anchors and plush, sweat-absorbent pads that are easy to swap for dialing in the fit. Another standout feature is the Dime's polyurethane coating, which helps protect the EPS liner from daily wear and tear. Plus, the Dime helmet is available in a bunch of great, kid-friendly colors too, so you're little one can pick out their favorite.

Giro created the Fixture for riders in search of the renowned Giro fit and in need of an extra-large size. Inspired by the confident mountain style and breezy ventilation of the Fixture helmet, the Fixture is built around many of Giro's best features, like In-Mold construction coupled with the ease and comfort of their acclaimed Roc Loc Sport fit system. - X-Large: 61 – 65cm / 24 – 25.55 in.

Go big in the Fixture MIPS XL Helmet, made specifically for riders in need of an extra-large size who want breezy ventilation, the ease of the Roc Loc Sport fit system, and confident style. Inspired by the confident mountain style and breezy ventilation of our Fixture helmet, the Fixture MIPS XL is built around many of our best features, like In-Mold construction coupled with the ease and comfort of our acclaimed Roc Loc Sport fit system. Meanwhile, a seamlessly integrated Multi-Directional Impact Protection System, which can redirect energy and provide more protection in certain impacts, ensures that you have the latest in head protection technology, too. This makes the Fixture MIPS XL one of the best performance value mountain bike helmets available.

The Hale stays cool in any situation. It's made with Giro's simple and easy-to-adjust Roc Loc Sport fit system, which offers a large adjustment range to provide a secure fit for growing kids. It comes with a removable visor, too, and features the same In-Mold construction technology as Giro's best adult models, which bonds the shell to the helmet for a lightweight, durable design. And of course it comes in a range of fun, kid-friendly colors! - 50 – 55cm / 19.75 – 21.75 in.

Sometimes the simplest designs also are the smartest. The Isode is an easy fit for riders who want a classic cycling helmet that doesn't compromise comfort or performance. It includes features found in Giro's premium helmets, like In-Mold construction to keep the weight low, and the easy one-handed adjustments of their acclaimed Roc Loc Sport system for a quick, sure fit no matter where or how far you ride. - 54 – 61cm / 21.25 – 24 in.

The Register helmet combines sleek design and lightweight construction with features that complement your style on the road or trail. Made with In-Mold Construction technology in a comfortable Universal Fit size, and equipped with Giro's convenient Roc Loc Sport system, the Register adjusts with a simple turn of the dial so you can customize the fit in seconds. A range of colors from mild to wild lets you choose exactly how your on-bike style comes together to create a helmet that looks and feels like it was made for you. - 54 – 61cm / 21.25 – 24 in.

When every curb is a jump and every patch of dirt screams for a skid, the Tremor is there to keep smiles wide, even when temporary limits are found. Some of the best technologies from Giro's adult line, like In-Mold construction and their acclaimed Roc Loc Sport system, offer the versatility, comfort, and wide adjustability young riders need to ride confidently. And with plenty of fun colors to choose from, there's a perfect option to match the thrill of riding and the feeling of joy after that first ride or lap around the pumptrack. - 50 – 55cm / 19.75 – 21.75 in.

A Big Hit With Young Shredders With a brand new, smaller size, Tremor Child keeps more kids smiling, from the biggest shredders to the smallest groms. Featuring some of the best technologies from our adult line, like In-Mold construction for reduced weight and enhanced durability, secure fit adjustments, the Tremor is ready for any ride. Features: - Removable visor - Quick-dry padding - Built-in bug net - Reflective decals Construction: - In-Mold polycarbonate shell with EPS liner Ventilation: - 18 Vent

The Vasona helmet combines sleek, airy design with smart features and lightweight construction to match your style on the road or trail. Made in a comfortable, Universal Fit women's size with Giro's adjustable Roc Loc Sport fit system, the Vasona's fit can be custom-tuned with a simple turn of the dial to make fitting fast and hassle-free. And with a range of colors to suit almost any style, you can choose exactly how your on-bike style comes together. - 50 – 57cm / 19.75 – 22.5 in.

The Fixture MIPS brings confident mountain bike style and breezy ventilation together in a compact design that complements nearly any ride -- especially when there's dirt under tread. Some of Giro's best features, like In-Mold construction coupled with the ease and comfort of their acclaimed Roc Loc Sport fit system, offer the versatility you need to ride everything from fire-road adventures to swooping singletrack trails. The Roc Loc also is seamlessly integrated with the Multi-Directional Impact Protection System (MIPS), which can redirect energy and provide more protection in certain impacts.

The Quarter is one of the lowest-profile helmets we've ever made, and it's also the lightest we've made with an ABS shell. The essentials are here—an EPS liner for impact management, a tough outer shell, riveted webbing anchors, and plush, sweat absorbent pads that are easy to swap for dialing in the fit. Another standout feature—the polyurethane coating—helps to protect the EPS liner from daily wear and tear. Plus it's available in a bunch of great colors and three Super Fit sizes.

Big Kid Style The Scamp II is Giro's smallest helmet designed for young (or future) riders but it still goes big with features and style. Taking design cues from adult helmets like Manifest Spherical, this lightweight in-mold helmet features impact-dissipating EPS foam with a sturdy polycarbonate shell, plus 13 vents for efficient cooling power. The Roc Loc® Junior fit system provides extra adjustability with a simple-to-use dial for several years of head protection for fast-growing rippers. The XS is designed for riders aged 1 and older while the Small is for riders aged 5 and older. Whether they're rolling along in a trailer or powering the pedals themselves, Scamp II is going to make kids want more bike time. FEATURES - IN-MOLD CONSTRUCTION — In-Mold Construction fuses a tough polycarbonate outer shell with the helmet's impact-absorbing foam liner. The fusion process allows for better ventilation systems, making in-mold helmets lighter and cooler than traditional helmets. - ROC LOC® JR. FIT SYSTEM — Roc Loc® Jr. is a simple, durable, dial fit system specifically shaped to match the curvature of a child's head. The shape was developed with years of research into anatomic data to ensure a secure, comfortable fit. A large, rubberized knob makes it easy for adults to adjust the helmet for proper tension, allowing kids to quickly start their ride. HIGHLIGHTS XS: Complies with the US CPSC Safety Standard for Bicycle Helmets for Persons Age 1 and Older (Extended Head Coverage) S: Complies with the US CPSC Safety Standard for Bicycle Helmet for Persons Age 5 and Older