







Some pre-sale items are shipped via international express, which may result in longer delivery times and additional shipping fees. Exact details will be shown at checkout.
We offer a 14-day hassle-free return and exchange policy starting from the date you receive your item. To be eligible, products must be unworn, unused, with tags attached, in original packaging, and accompanied by proof of purchase. If the item is defective, damaged, or incorrect, we cover the return shipping cost; for size or personal preference returns, the customer is responsible for shipping fees. Please inspect your order within 72 hours and contact us for any issues.Have a 14-day no-questions-asked return right. Refunds will be processed within 10 business days after we receive and inspect your return. Please contact customer service before returning items and send returns to the designated address; unauthorized returns will not be accepted. For questions, email service@rockbrossport.co.uk
Shop with confidence! Enjoy hassle-free exchanges within 30 days of delivery.
Estimated delivery time

Lightweight · Breathable · Comfortable Fit
Sweat drips on the road, but your journey never stops.
The CR4 “Tianyu” Lock-Free Bike Shoes accompany every ride — supporting your passion, step by step, through every challenge ahead.
| Part | Material | Description |
|---|---|---|
| Upper | Microfiber + Mesh | Lightweight breathable |
| Sole | Rubber | Non-slip & wear-resistant |
| Closure | ETIE Knob | Front-tightening design for stable fit |
| Weight | ≈585g ±20g (42 size/pair) | Balanced for performance |
Note: Slight weight differences (±20g) may occur due to variations in materials and color processes. Actual product may vary slightly.
✅ Effortless adjustment while riding
✅ Excellent ventilation for long-distance comfort
✅ Strong grip for safety and control
✅ Stylish minimalist design — perfect for both daily rides & fitness training







Lightweight · Breathable · Comfortable Fit
Sweat drips on the road, but your journey never stops.
The CR4 “Tianyu” Lock-Free Bike Shoes accompany every ride — supporting your passion, step by step, through every challenge ahead.
| Part | Material | Description |
|---|---|---|
| Upper | Microfiber + Mesh | Lightweight breathable |
| Sole | Rubber | Non-slip & wear-resistant |
| Closure | ETIE Knob | Front-tightening design for stable fit |
| Weight | ≈585g ±20g (42 size/pair) | Balanced for performance |
Note: Slight weight differences (±20g) may occur due to variations in materials and color processes. Actual product may vary slightly.
✅ Effortless adjustment while riding
✅ Excellent ventilation for long-distance comfort
✅ Strong grip for safety and control
✅ Stylish minimalist design — perfect for both daily rides & fitness training






