Geometry Nerd. Still Slow. funny mountain bike t-shirt in Black — full-suspension frame with the 64° head angle marked

Geometry Nerd Rider T-Shirt

Color: Black

Size: M M L XL 2XL 3XL S

$29.99

Shipping calculated at checkout.

Designed in Spain · Printed to order in the USA

Printed to order

30-day returns

Ships from the USA

Soft, pre-shrunk cotton — a tee for after the ride, not a jersey replacement.

Relaxed unisex fit — true to size. Check the size guide above if you're between sizes.

Exact fabric and weight are listed in the product description below.

Reinforced seams — double-needle stitching at shoulders, sleeves and hem.

Direct-to-garment print — the design is printed into the fabric, not stuck on top. Wash inside out, cold.

Printed in the USA — every order is printed and shipped from the US. Free shipping on orders $49+.

30-day returns — see our refund policy for details.

Knows his head angle to the decimal. Not his lap time.

A full-suspension frame drawn in cream line work, head angle marked at 64° in red, over GEOMETRY NERD. in cream and STILL SLOW. in orange.

He can explain reach, stack and anti-squat for forty minutes over a beer. On the trail, the crew is still waiting for him at the bottom.

The shirt itself
Made from 100% ring-spun Comfort Colors cotton. Heavier weight, broken-in feel, holds its shape wash after wash.

The kind of shirt you throw on at the trailhead, wear to the dig day, and still have on deep into the post-ride.

Not a jersey. Not trying to be. Just a well-made shirt for people who already know the difference.

Black or Navy. Sizes S–3XL. Printed to order.

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Trail culture you can wear

Not riding gear. Just well-made tees for people who ride because it is fun. Every design is drawn for riders who use the bike to switch off, not to race.

Designed in Spain. Printed to order in the USA — nothing sits in a warehouse.

FAQ

Curva Department is designed in Spain and printed in the USA. Your tee is produced by our US print partners and ships domestically, so it doesn't cross an ocean to reach you.

Designs drawn in Europe. Printing done stateside.

We currently ship within the United States. More terrain coming soon.

As soon as your order ships, you'll get a tracking email to follow its journey from our shop to your doorstep.

Comfortable, high-quality fabrics across all our tees — built for the culture around riding, not a jersey replacement. Materials can vary by product, so check each product page for the exact specs.