Bontrager Cycling | REI Co-op

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What size do you need?

Check the sidewall of your current tire; the numbers indicate tire size (rim size and width)
A tire size of 29 x 2.3 has a 29 in. rim size and a 2.3 in. width
While the tire diameter must be an exact match with your rim size, you can opt for variations in tire widths though you should consider the min/max widths of the rim

Tire Type

Tubeless ready: These tires seal directly on rim of a bike and don’t require a separate inner tube
Tubeless clincher: This common tire setup includes a tire and a separate inner tube
Tubular: Less common, the inner tube is sewn inside the casing and glued or taped onto the rim

Bead type

Wired: The bead—or the edge of the tire that fits into a rim—is made of steel wire so can’t be folded; generally cheaper and heavier
Folding: These have a flexible Kevlar bead; they can be folded up, making storing and carrying easy

Do you want to see or be seen? (Or both?)

High-output lights (250 lumens and above): Help you see where you’re going in nearly all conditions. More expensive but much brighter than safety lights, usually rechargeable.
Safety lights (below 250 lumens): Headlights and rear lights help motorists see you in low light. The brightest ones improve your visibility in daytime. Can be rechargeable or battery powered.

Where will you be riding?

For streets with streetlights: Choose a front light with a narrow-focus beam
For darker roads or trails: Choose a wide-focus beam for better peripheral vision
You can find beam patterns listed in online product descriptions or ask a sales specialist for help.

How to understand bike light specs

Most bike lights are LEDs, which are energy efficient, durable and available in a wide range of brightness levels.
Lumens describe the light intensity of each lighting unit. A higher price generally equals higher light output.

Types of bike helmets

Mountain bike: Rear-head coverage for off-road trails; often includes added ventilation
Road bike: Lightweight, aerodynamic; designed for maximum airflow
Recreational cycling: Budget-friendly choice for casual riding

Fit tips

Measure the largest part of your head with a flexible measuring tape (or use string, then measure it)
Check the brand's sizing chart
Aim for a snug fit
Between sizes? Choose the smaller size

Added protection

Look for technologies that reduce rotational forces during a crash, like Mips, WaveCel or KinetiCore.

Features

Types of Shoes

Mountain bike: added traction for rugged trails; options for clipless or flat pedals
Road cycling: stiffest soles for efficient pedaling; cleats connect to clipless pedals for maximum pedaling efficiency.

City biking: comfortable, everyday; good for recreational riding or commuting

Find the Right Fit

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