Bicycle Tubes & Valves

Precision Tubes. Reliable Valves. Ride-Ready Always.

From city rides to rugged trails, Hartex inner tubes and valves are engineered for lasting air retention, efficient performance, and easy fit — across all wheel sizes.

Built to Endure. Designed to Perform

At Hartex, we manufacture high-performance inner tubes for a wide range of bicycles, two-wheelers and three-wheelers. Made from high-quality butyl rubber and precision-engineered valves, our products are trusted across global markets for their durability, air retention, and road adaptability.

Natural Rubber Tubes

Available in all sizes and weights as per customer requirement.

SIZE	ETRTO
28 x 1¹/₂	40-635
27 x 1¹/₄	32-630
26 x 1.75 / 2.125	47/57-559
26 x 1¹/₂	40-584

SIZE	ETRTO
26 x 1¹/₂	37-590
24 x 1.75 / 2.125	47/57-507
20 x 1.75 / 2.125	47/57-406
16 x 1.75 / 2.125	47/57-305

LIGHT WEIGHT TUBES

Introducing Our Ultra-Light (Butyl) 0.6 mm Tube – Engineered for Efficiency, Designed for Performance

When every gram counts, our Ultra-Light 0.6 mm Tube delivers the perfect balance of weight reduction and air retention. Built with precision engineering and high-quality materials, this tube is ideal for riders who demand performance without compromise.

Ultra-Light Construction

At just 0.6 mm thickness, this tube is designed to reduce overall vehicle weight, improve mileage, and enhance ride responsiveness.

Excellent Air Retention

Despite its ultra-light build, the tube holds air perfectly—ensuring reliable performance and minimal air loss over time.

Precision Fit & Flexibility

Designed to fit seamlessly, the tube offers high flexibility and easy installation across a variety of tyre sizes.

BICYCLE INNER TUBES

DIAMETER	ETRTO	SIZE	TYPE	FLAT WIDTH (mm)	WEIGHT (gm)	WALL THICKNESS (mm)
622/635	37/47-622/635	700 x 35/45C	Tour 28	38	180	0.9
	28/37-622/635	700 x 28/35C	Tour 28 Slim	33	160	0.9
	25/32-622/635	700 x 25/32C	Race 28 Wide	29	135	0.9
622/630	18/25-622/630	700 x 18/25C	Race 28	24	110	0.9
622	76/90-622	29 x 3.00/3.50	MTB 29 Fat Wide	79	370	0.9
	66/76-622	29 x 2.60/3.00	MTB 29 Fat	70	330	0.9
	57/66-622	29 x 2.25/2.60	MTB 29 Wide	50	235	0.9
	47/57-622	29 x 1.75/2.25	MTB 29	49	205	0.9
584	90/114-584	27.5 x 3.50/4.50	MTB 27.5 Xtra Fat	97	560	1.2
	76/90-584	27.5 x 3.00/3.50	MTB 27.5 Fat Wide	79	345	0.9
	66/76-584	27.5 x 2.60/3.00	MTB 27.5 Fat	70	310	0.9
	57/66-584	27.5 x 2.25/2.60	MTB 27.5 Wide	50	220	0.9
	57/66-584	27.5 x 2.25/2.60	MTB 27.5	45	195	0.9
559	90/114-559	26 x 3.50/4.50	MTB 26 Xtra Fat	97	530	1.2
	76/90-559	26 x 3.00/3.50	MTB 26 Fat Wide	79	335	0.9
	66/76-559	26 x 2.60/3.00	MTB 26 Fat	70	300	0.9
	57/66-559	26 x 2.25/2.60	MTB 26 Wide	50	210	0.9
	47/57-559	26 x 1.75/2.25	MTB 26	45	190	0.9
559/557	37/47-559/597	26/27.5 x 1.40/1.75	Tour 26	38	160	0.9
559/557	28/37-559/597	26/27.5 x 1.10/1.40	Tour 26 Slim	33	140	0.9
507	90/114-507	24 x 3.50/4.50	Compact 24 Xtra Fat	97	495	1.2
	76/90-507	24 x 3.00/3.50	Compact 24 Fat Wide	79	290	0.9
	66/76-507	24 x 2.60/3.00	Compact 24 Fat	70	260	0.9
	57/66-507	24 x 2.25/2.60	Compact 24 Wide	50	190	0.9
	47/57-507	24 x 1.75/2.25	Compact 24	45	170	0.9
507/541	32/47-507/544	24 x 1.25/1.75	Compact 24 Slim	38	150	0.9
457/501	32/47-457/501	22 x 1.25/1.75	Compact 22 Slim	38	140	0.9
406	90/114-406	20 x 3.50/4.50	Compact 20 Xtra Fat	97	395	1.2
	76/90-406	20 x 3.00/3.50	Compact 20 Fat Wide	79	255	0.9
	66/76-406	20 x 2.60/3.00	Compact 20 Fat	70	225	0.9
	57/66-406	20 x 2.25/2.60	Compact 20 Wide	50	155	0.9
	47/57-406	20 x 1.75/2.25	Compact 20	45	140	0.9
406/457	32/47-406/457	20 x 1.25/1.75	Compact 20 Slim	38	120	0.9
355	47/57-355	18 x 1.75/2.25	Compact 18	45	130	0.9
355/400	32/47-355/400	18 x 1.25/1.75	Compact 18 Slim	38	110	0.9
305	66/76-305	16 x 2.60/3.00	Compact 16 Fat	70	160	0.9
	57/66-305	16 x 2.25/2.60	Compact 16 Wide	50	120	0.9
	47/57-305	16 x 1.75/2.25	Compact 16	45	110	0.9
305/349	32/47-305/349	16 x 1.25/1.75	Compact 16 Slim	38	100	0.9
254	47/66-254	14 x 1.75/2.60	Compact 14 Wide	50	110	0.9
203	47/66-203	12 x 1.75/2.60	Compact 12 Wide	50	30	0.9