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Sandman 4

Sandman 4

Regular price €1.899,00 EUR
Regular price €2.299,00 EUR Sale price €1.899,00 EUR
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tire size

28 inch

gear shifter

Shimano GRX 400



frame material



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The RINOS GRX400 Sandman 4 Gravel Bike is an ideal choice for adventure enthusiasts, blending a striking green/black color scheme with a sleek, modern design. Crafted with a TORAY T800 carbon frame and fork, it offers a lightweight yet sturdy build, perfect for varied terrains. Available in five frame sizes (50 cm to 58 cm), it caters to riders from 155 to over 190 cm, and weighs just 9.8 kg, making it suitable for long rides. The high-quality saddle ensures a comfortable journey. Its 20-speed full Shimano GRX shifting system provides smooth gear transitions, complemented by the 11-34T cassette for a wide gear range. The bike features wider CST gravel tires with skinwall design for excellent traction and cushioning. Equipped with a hydraulic braking system and lightweight disc brakes, it guarantees reliable stopping power. This almost fully assembled bike, complete with tools and instructions, is a versatile choice for handling all types of terrain, offering an outstanding riding experience.


Model Sandman 4
Manufacturer RINOS
Color Black Green
Wheel size 28 inch (700c)
Frame size 50cm/52cm/54cm/56cm/58cm
User size for 50 cm 155-170 cm
User size for 52 cm 171-175 cm
User size for 54 cm 176-180 cm
User size for 56 cm 181-190 cm
User size for 58 cm > 190 cm
Item Weight 9.8kg can vary depending on frame size
Delivery weight 13.8kg
Frame Rinos, Toray T800 Carbon
Fork Rinos, Toray T800 Carbon
Steering Rinos, carbon, 420/440*28.6 mm
Headset Rinos, Alu, 1-1/8 "28.6*52*52*39.8mm
Seat Post Rinos, 27.2*400 mm carbon
Gear shifter Shimano GRX 400 ST-RX400/BR-RX400 20 speed
Rear Derailleur Shimano GRX RD-RX400
Brakes Shimano GRX 400 ST-RX400/BR-RX400 hydraulic brakes
Cassette Shimano CS-HG500-10 11-34T
Crankset Shimano GRX FC-RX600 46-30T
Chain Shimano 10 speed
Pedals Gineyea
Wheels Rinos, 28" 700C*28H*14G, 38 mm
Rims Alu 700C*14G*28H F/V, 14*38 mm
Hub Novatec 28H*14G
Tires CST 700*40C skin wall (inner tube 60mm presta ventil)
Accessories Tools, User Manual

Installation guide:


What our customers say

Good Shopping


Thierry A.

Looks great, runs great, well equipped and comfortable. Fast delivery and excellent service.

Fast Delivery



Very stable guards for bike. Light and comfortable, fast delivery.

Everything good👍


Celine J

Very poorly cut, but fast delivery and good material quality.