Equally at home racing, on long training rides or on the turbo. These are a do it all bib short. Designed to get our pro riders through week-long tours and 5+ hour training sessions.

Model is 182cm and 65kg wearing a size S

Shop the Silhouette

High cut waistline ensures a clean transition from bibs to jersey without putting pressure on your abdomen.

Elastic Interface Paris HP chamois, 14 mm graduated foam, carbon-thread top sheet. Proven on winter classics and long training days.

Long legs designed to sit just above the back of the knee

Built for riders chasing elite aerodynamics in every scenario. Pairing wind-tunnel optimised panel layouts, state of the art R&D, and custom-made fabrics. A package that provides World Tour-grade performance, ready to wearand race.

Wear it for high-velocity training, decisive efforts, and race days where optimal aero matters as much as power.

Surpassed in performance only by our Neo collection.

Aero

Lightweight woven fabric with custom spaced vertical ribs to turbulate aeroflow where needed producing excellent aero savings reduce drag.

Second Skin

Custom made, ultra-low skin friction fabric, made from very fine, high density fibres hides the body from the wind.

Elastane 35% Poly 65%, 125GSM

Machine wash cold (30° max)

Do not bleach

Don not store damp

Do not tumble dry

Do not dry-clean

All pieces carry a one-year manufacturing warranty from date of purchase. This covers defects in materials, workmanship, and construction faults. Thsi does not extend to normal wear and tear, or improper care. This warranty only applies only to purchases made directly through our site.

For any claim, reply to your order confirmation email or write to info@rule28.com with your order number and clear photos. We’ll handle it the same day.

If the worst happens and your kit is damaged beyond repair in a crash, send us clear photos of the damage along with your original order details.

We’ll sort a discounted replacement the same day we receive them. Like-for-like where possible.

This sits alongside the standard one-year manufacturing warranty and doesn’t cover normal wear or misuse.

Just email info@rule28.com — we’ve got your back when the road doesn’t.

Obsidian Bib Shorts

Name: Obsidian Bib Shorts
Brand: Rule 28
SKU: SQ8041724
Price: 87.5 GBP
Availability: OutOfStock

£88 GBP

~~£125 GBP~~ £88 GBP

Sale Sold out

Taxes included.

Size Size Guide

XS S M L XL

Performance

Core Elite

Temperature

°C °F

-10 °C 0 °C 15 °C +30 °C

15 °F 30 °F 60 °F 90 °F

Breathability

4/5

Duration

5/5

Need Help?

Check out our FAQ first for answers.
Still need assistance?
Our support team is here to help.
Reach out through our contact form.

Shipping & Returns

Returns are accepted within 30 days of dispatch. Items must be unworn and in their original packaging.

View full details

Equally at home racing, on long training rides or on the turbo. These are a do it all bib short. Designed to get our pro riders through week-long tours and 5+ hour training sessions.

Model is 182cm and 65kg wearing a size S

Shop the Silhouette

High cut waistline ensures a clean transition from bibs to jersey without putting pressure on your abdomen.

Elastic Interface Paris HP chamois, 14 mm graduated foam, carbon-thread top sheet. Proven on winter classics and long training days.

Long legs designed to sit just above the back of the knee

Surpassed in performance only by our Neo collection.

Aero

Lightweight woven fabric with custom spaced vertical ribs to turbulate aeroflow where needed producing excellent aero savings reduce drag.

Second Skin

Custom made, ultra-low skin friction fabric, made from very fine, high density fibres hides the body from the wind.

Elastane 35% Poly 65%, 125GSM

Machine wash cold (30° max)

Do not bleach

Don not store damp

Do not tumble dry

Do not dry-clean

For any claim, reply to your order confirmation email or write to info@rule28.com with your order number and clear photos. We’ll handle it the same day.

If the worst happens and your kit is damaged beyond repair in a crash, send us clear photos of the damage along with your original order details.

We’ll sort a discounted replacement the same day we receive them. Like-for-like where possible.

This sits alongside the standard one-year manufacturing warranty and doesn’t cover normal wear or misuse.

Just email info@rule28.com — we’ve got your back when the road doesn’t.

Race fit. Designed to be skintight withough being compressive.

Your Body Measurements

CM IN

Size Chart

Size

Chest

Waist

Hips

82-87

<75

84-89

88-94

76-80

90-94

95-100

81-87

95-100

101-105

88-92

101-107

106-111

93-99

108-114

How to Get Your Measurements

Chest

With your arms relaxed by your sides, measure the broadest area of your chest, just beneath your underarms.

Waist

Measure around the slimmest part of your waist.

Hips

Stand naturally with feet shoulder-width apart and wrap the tape around the widest point of your hips.

Your cart is empty

Your cart

Estimated total

Equally at home racing, on long training rides or on the turbo. These are a do it all bib short. Designed to get our pro riders through week-long tours and 5+ hour training sessions.

Shop the Silhouette

Shop the Silhouette

Shop the Silhouette

Obsidian Bib Shorts