RND CB1 - Carbon Fiber Road Bike

Aerospace Carbon Frame & Thru-Axle Strength
1640g ultralight ROCKBROS carbon frame (include fork) with dual 12mm thru-axles delivers gravel-crushing rigidity for agile trail control.

Internal Cable Routing + Hybrid Bike Agility
Hidden cable maintains clean aesthetics and shields cables from elements. While the flat bar ensures confident handling and comfort on mixed terrains.

Shimano Tiagra 2x10 Drivetrain
Precise 20-speed shifting performance with Tiagra reliability—smooth gear transitions on climbs, descents, or gravel.

All-Weather Gravel Dominance
700x32c knobby tires + hydraulic disc brakes conquer mud, rain, and loose terrain with unwavering traction and stopping power.

Rider-Tuned Size
XS (155–165cm) / M (165–175cm) / L (175–185cm)
Each size features ergonomic geometry to optimize posture across rider heights.

 

Product Specifications
Category	Specification
Frame	ROCKBROS RND 700C Carbon Fiber Frame
Front Fork	ROCKBROS RND Fork Offset 50 Carbon Fiber Fork
Handlebar	ROCKBROS AL6061 DB Tube
Stem	ROCKBROS Forged Aluminum Stem
Seatpost	ROCKBROS Standard Rail Aluminum Alloy Seatpost
Saddle	DDK-B20 Saddle
Drivetrain	Shimano Tiagra 4700 2×10 Speed Groupset
Crankset	SENICX PR5-A1 24mm Hollow Crankset
Cassette	11–32T Steel Cassette
Chain	YBN-S10s 10-Speed Nickel Chain
Brake Caliper	ROCKBROS ND2 Dual-Piston Hydraulic Disc Brake (Flat Mount)
Brake Rotor	6-Bolt Steel Brake Rotor
Wheelset	R27 Double-Layer Aluminum Wheelset
Hub	Sealed Bearing Hub with Steel Base
Tires	INNOVA IA-2562 700×32C F/V
Weight	≈9.76 kg (Size M)