Take on the roughest terrain with total confidence. The Bridgestone Ultra Heavy-Duty Inner Tube is built for riders who demand extreme durability and unmatched puncture protection.
Engineered with 4mm thick natural rubber, this tube is nearly bulletproof against pinch flats, rocks, roots, and high-impact landings. Whether you're blasting through enduro stages, racing motocross, or powering an electric MX build, this is the ultimate upgrade for your 100/90-19 rear wheel.
The Bridgestone UHD Tube 100/90-19 is built for serious off-road riders who demand maximum durability and puncture resistance. Designed specifically for motocross and enduro riding, this ultra heavy-duty (UHD) inner tube is significantly thicker than standard tubes, reducing the risk of punctures and flats in rugged terrains. Equipped with a TR4 valve, it provides a secure fit and superior air retention for extreme off-road conditions.
✅ Ultra Heavy-Duty 4mm Wall Thickness – Exceptional protection from punctures and impact damage
✅ Natural Rubber Construction – Superior flexibility, grip, and air retention in high-performance conditions
✅ TR-4 Valve Stem – Heavy-duty straight metal Schrader valve for off-road and motocross use
✅ Perfect Fitment – Designed for 100/90-19 rear tyres on MX, enduro, dual-sport and electric bikes
✅ Track-Tested – Trusted by pro racers, weekend warriors, and serious trail riders alike
1x Bridgestone Ultra Heavy-Duty Inner Tube
Size: 100/90-19
4mm natural rubber construction
TR-4 straight metal Schrader valve
Individually boxed, folded for convenience
Specification | Details |
---|---|
Brand | Bridgestone |
Tube Size | 100/90-19 |
Tyre Compatibility | Rear tyre only – 100/90-19 |
Rim Size | 19 inch |
Material | Natural rubber |
Wall Thickness | 4 mm (Ultra Heavy-Duty) |
Valve Type | TR-4 (Straight metal Schrader valve) |
Valve Diameter | 8.3 mm (standard for off-road/motocross rims) |
Valve Length | Approx. 35 mm |
Application | Motocross, Enduro, Dual-Sport, Electric MX |
Air Retention | Excellent – natural rubber expands to maintain seal |
Puncture Resistance | Maximum – designed to withstand impacts and pinch flats |
Weight | Heavy – prioritises strength over reduced mass |
Packaging | Individually boxed and folded |
Manufacturer Part No. | [Bridgestone internal code may vary – typically regionally distributed] |
✅ Ideal for riders who need maximum durability and flat protection in high-risk environments like rocky trails, enduro loops, and jump-heavy motocross tracks.
Brand | Model Examples | Rear Tyre Size |
---|---|---|
Honda | CRF250R, CRF450R, XR400R | 100/90-19 |
Yamaha | YZ250F, WR250F, TT-R250 | 100/90-19 |
Kawasaki | KX250, KLX300R, KDX220 | 100/90-19 |
Suzuki | RM-Z250, DR-Z400 | 100/90-19 |
KTM | 250 SX-F, 350 EXC-F, 450 SX-F (with 19” rear) | 100/90-19 |
Husqvarna | FE 250, TE 300, FC 250 | 100/90-19 |
GasGas | MC 250F, EC 250 | 100/90-19 |
Electric MX | Sur-Ron Ultra Bee (with 19” rear conversion) | 100/90-19 |
Talaria | MX4 / R with 19” rear swap | 100/90-19 |
Category | Details |
---|---|
Tyre Size Supported | 100/90-19 |
Wheel Size | 19” (Rear wheel fitment only) |
Material | Natural rubber |
Wall Thickness | 4 mm (Ultra Heavy-Duty) |
Valve Type | TR-4 (Straight metal Schrader valve) |
Valve Hole Diameter | 8.3 mm (standard for off-road/motocross spoked rims) |
Primary Application | Motocross, enduro, trail, electric motocross builds |
Bike Types | MX bikes, dual-sport, electric off-road (e.g. Sur-Ron Ultra Bee, Talaria MX4) |
Recommended Pressure | 12–20 PSI (adjust based on terrain and riding style) |
Not Suitable For | Lightweight street bikes or tyres requiring thinner tubes |
✅ Best for aggressive off-road riders and racers who prioritise flat prevention.
⚠️ Due to its weight and thickness, installation requires tyre levers and care to avoid pinching.
Make | Model | Fitment Position | Tyre Size |
---|---|---|---|
Honda | CRF250R, CRF450R, XR400R | Rear | 100/90-19 |
Yamaha | YZ250F, WR250F, TT-R250 | Rear | 100/90-19 |
Kawasaki | KX250, KLX300R, KDX220 | Rear | 100/90-19 |
Suzuki | RM-Z250, DR-Z400 | Rear | 100/90-19 |
KTM | 250 SX-F, 350 EXC-F, 450 SX-F (19” rear) | Rear | 100/90-19 |
Husqvarna | TE 250/300, FE 350, FC 250 | Rear | 100/90-19 |
GasGas | MC 250F, EC 250 | Rear | 100/90-19 |
Sur-Ron | Ultra Bee (with 19” rear conversion) | Rear | 100/90-19 |
Talaria | MX4, R (with 19” rear wheel upgrade) | Rear | 100/90-19 |
Category | Rating | Details |
---|---|---|
Puncture Resistance | ⭐⭐⭐⭐⭐ (5.0/5) | Outstanding protection from thorns, rocks, and pinch flats with 4mm rubber |
Durability | ⭐⭐⭐⭐⭐ (5.0/5) | Proven to withstand high-impact off-road riding and enduro abuse |
Air Retention | ⭐⭐⭐⭐☆ (4.5/5) | Excellent seal due to natural rubber’s flexibility and expansion |
Installation Ease | ⭐⭐⭐☆ (3.5/5) | Thicker construction requires care and tools during mounting |
Value for Money | ⭐⭐⭐⭐☆ (4.5/5) | Premium quality tube with long lifespan – worth the investment |
💬 Overall Rating:
⭐⭐⭐⭐☆ (4.7/5) – Built for serious riders who refuse to risk a flat in high-performance conditions.
Diagram: Line graph showing Bridgestone UHD Tube 100/90-19 – 4mm Ultra Heavy-Duty MX upgrade
Here is the line graph comparing performance of the Bridgestone UHD Tube to Michelin UHD, IRC Heavy-Duty, and Kenda Super Tuff across core performance categories. This visual highlights Bridgestone's strength in puncture resistance and durability.
Diagram: Bridgestone UHD Tube 100/90-19 – 4mm Ultra Heavy-Duty MX v other standard performance brands
✅ Ultra Heavy-Duty Construction – Thicker than standard tubes for superior puncture resistance.
✅ Designed for Off-Road Use – Ideal for motocross, enduro, and trail riding.
✅ Not for Highway Use – Specifically made for off-road applications only.
✅ Reliable TR4 Valve – Straight metal valve stem ensures secure inflation and durability.
✅ Superior Air Retention – Maintains consistent pressure for a smoother, safer ride.
✅ Perfect Fit for 100/90-19 Tyres – Designed for 19-inch rims, offering a secure and snug fit.
✅ Tube Size: 100/90-19
✅ Material: Ultra Heavy-Duty Rubber
✅ Valve Type: TR4 – Straight Metal Valve Stem
✅ Use: Off-Road, Motocross, Enduro, Trail Riding
✅ Durability: Maximum puncture resistance for rugged terrains
✅ Rim Compatibility: Fits 19-inch rims
This Bridgestone UHD Inner Tube is designed to fit a variety of motorcycle tyre sizes, including:
✅ 100/90-19
✅ 110/80-19 (Tighter fit for extra durability)
✅ 110/90-19 (Tighter fit for added puncture resistance)
✅ Designed for 19-inch rims – not compatible with 18" or 21" rims.
✅ Ideal for motocross and enduro riders looking for maximum protection against punctures.
✅ Not recommended for street or highway use.
If you're tackling rocky trails, deep ruts, loose gravel, or rough terrain, the Bridgestone UHD Tube 100/90-19 is your ultimate choice for durability and performance.
Stay protected against punctures and flats with the Bridgestone UHD Tube 100/90-19 featuring a TR4 valve. Ride harder, go further, and stay worry-free on any terrain! 🏍️🔧
A: This tube is specifically made for 100/90-19 rear tyres, commonly found on motocross, enduro, and off-road bikes with 19” rear wheels.
A: It uses a TR-4 straight metal Schrader valve, which fits standard 8.3 mm rim holes on most motocross and off-road bikes.
A: This is an ultra heavy-duty tube with a 4mm thick natural rubber wall — designed to resist pinch flats, punctures, and impact damage in extreme riding environments.
A: Yes — if your Sur-Ron Ultra Bee or Talaria MX4/R has been upgraded to a 100/90-19 rear tyre, this tube is an excellent high-performance fit.
A: Due to its thick rubber construction, it requires more care and strength to install than standard tubes. We recommend using tyre levers and lubrication, and inflating slightly before seating the tyre to avoid pinching.