Hyper‑dry blend
Hydrophobic micro‑porous matrix wicks instantly for durable friction without over‑drying skin.
New for 2025
Chalk fast, send strong.
Ships worldwide • 30‑day return • Chalk that doesn’t grenade in your bag
Chalk fast, send strong.
Meet Challkbar.
A pocketable chalk bar engineered for ultra-consistent coverage, zero mess, and repeatable performance from warm‑ups to redpoint burns.
Ships worldwide • 30‑day return • Chalk that doesn’t grenade in your bagClean snap case
One‑hand magnetic lid prevents bag blooms and keeps your kit spotless.
Pocketable form
Low‑crumb geometry distributes evenly across tips and palms—less dust, more send.
Crag day • pocket carry
Indoor comp warm‑ups
Precise edge priming
72 gNet chalk mass
45 × 90 × 18 mmBar dimensions
MgCO₃ + silicaPremium blend
RefillableLow‑waste cartridges
Starter
$14
- 1× Challkbar
- Standard blend
- Ships in 2–3 weeks
Most popular
$24
- 1× Challkbar
- Pro blend cartridge
- Magnetic case
Crew pack
$59
- 3× Challkbar
- 2× refill cartridges
- Free international shipping
“Friction is instant and consistent. My skin thanks you.”
“No more chalk cloud in my gym bag. Legit upgrade.”
“Precise application, fewer splits over long sessions.”
FAQ
What’s inside the blend?
Premium magnesium carbonate with a trace silica structure for faster drying and longer hold. No additives, no fragrance.
Can I refill it?
Yes. Pop in a fresh cartridge and keep the case forever. We’ll offer bulk refills at launch.
Is it gym‑friendly?
Absolutely. Challkbar minimizes airborne dust compared to loose chalk or powder bombs.
Preorder Challkbar
Secure launch pricing. Limited first run.