BOLD MAGENTA part numbers are new for 2025 PARTS-UNLIMITED.COM 2025 | TIRE & SERVICE TUBES & ACCESSORIES TUBES & ACCESSORIES 412 INNER TUBE FAILURE COULD RESULT IN DEATH OR SERIOUS INJURY. ALLOW ONLY TRAINED PERSONNEL TO INSTALL INNER TUBES. WARNING VALVE STEM FAILURE COULD RESULT IN DEATH OR SERIOUS INJURY. ALLOW ONLY TRAINED PERSONNEL TO INSTALL VALVE STEMS. WARNING STEM TYPE DESCRIPTION TR-4 (round base) Center/side metal valve (threaded and nuts) TR-6 (oval base) Center metal valve (threaded and nuts) TR-6S Side metal valve (threaded and nuts) TR-13 Center rubber valve TR-15 Center rubber valve TR-15S Side rubber valve (big) TR-87 Center metal 90-degree bend (short height) TR-87C Center metal 90-degree bend (med. height) STEM TYPE DESCRIPTION JS-87 Center metal 90-degree bend JS-244A Center metal 90-degree bend (tall height) CMV Center metal valve (threaded and nuts) SMV Side metal valve (threaded and nuts) CRV Center rubber valve SRV Side rubber valve PV/PRV-78 Center metal 90-degree bend (tall/threaded and nuts) INNER TUBE VALVE STEM TYPES REFERENCE CHART Center metal 90° (medium height, non-threaded) TR-87/TR-87C Center metal 90° bend JS-87 Center metal 90° (tall height, threaded) PV-78/PRV-78 Center or side rubber TR-13/TR-15 Center metal center or side position TR-4/ TR-6/TR-6S Center metal 90° (tall height, non-threaded) JS-244A FITS TIRE SIZE(S) STEM TYPE PART # STANDARD 2.00-8 TR-87 0350-0304 3.00-8 TR-87 0350-0305 70/100-8 TR-87 0350-0305 3.50/4.00-8 JS-244A 0350-0306 4.00-8 JS-244A 0350-0307 15.5/5.5-8 JS-244A 0350-0307 2.25-10 TR-4 0350-0308 2.50/2.75-10 TR-4 0350-0309 2.50/2.75-10 JS-244A 0350-0310 3.00-10 TR-4 0350-0311 80/90-10 TR-4 0350-0311 3.00-10 JS-244A 0350-0312 80/90-10 JS-244A 0350-0312 3.00-10 TR-87 0350-0313 80/90-10 TR-87 0350-0313 3.50/4.00-10 JS-244A 0350-0315 3.50/4.00-10 TR-4 0350-0314 3.50/4.00-10 TR-87 0350-0316 2.75-12 TR-4 0350-0317 3.00-12 TR-4 0350-0318 4.00-12 TR-87 0350-0319 2.25/2.50-14 TR-4 0350-0320 2.75-14 TR-4 0350-0321 3.00/3.60-14 TR-4 0350-0322 3.25/3.50/4.10-14 TR-4 0350-0323 110/80-14 TR-4 0350-0323 110/90-14 TR-4 0350-0323 2.50/2.75-15 TR-4 0350-0324 FITS TIRE SIZE(S) STEM TYPE PART # STANDARD (CONT) 130/90-15 TR-4 0350-0325 140/80-15 TR-4 0350-0325 140/90-15 PV-78 0350-0328 140/90-15 TR-4 0350-0327 150/80-15 TR-4 0350-0327 150/90-15 PV-78 0350-0328 170/80-15 PV-78 0350-0329 2.25/2.50-16 TR-4 0350-0330 2.75/3.00-16 TR-4 0350-0331 80/100-16 TR-4 0350-0331 90/100-16 TR-4 0350-0331 3.25/3.50-16 TR-4 0350-0332 4.00/4.60-16 TR-4 0350-0333 120/90-16 TR-4 0350-0333 5.10-16 TR-4 0350-0334 130/90-16 TR-4 0350-0334 70/100-17 TR-4 0350-0335 130/90-17 TR-4 0350-0335 2.25/2.50-17 TR-4 0350-0336 2.75/3.00-17 TR-4 0350-0337 3.25/3.50-17 TR-4 0350-0338 100/100-17 TR-4 0350-0338 4.00/5.10-17 TR-4 0350-0339 110/90-17 TR-4 0350-0339 120/80-17 TR-4 0350-0339 120/90-17 TR-4 0350-0339 130/80-17 TR-4 0350-0339 FITS TIRE SIZE(S) STEM TYPE PART # STANDARD (CONT) 2.25/2.50-18 TR-4 0350-0340 2.75/3.00/3.60-18 TR-4 0350-0341 90/90-18 TR-4 0350-0341 100/80-18 TR-4 0350-0341 3.25/3.50/4.10-18 TR-4 0350-0342 100/90-18 TR-4 0350-0342 100/100-18 TR-4 0350-0342 3.50/4.00-18 TR-4 0350-0343 4.00/5.10-18 TR-4 0350-0344 110/100-18 TR-4 0350-0344 120/90-18 TR-4 0350-0344 2.50-19 TR-4 0350-0345 2.75/3.60-19 TR-4 0350-0346 90/90-19 TR-4 0350-0346 3.25/4.10-19 TR-4 0350-0347 100/90-19 TR-4 0350-0347 110/80-19 TR-4 0350-0347 4.00/4.50-19 TR-4 0350-0348 110/90-19 TR-4 0350-0348 120/80-19 TR-4 0350-0348 2.50-21 TR-4 0350-0349 2.75/3.00-21 TR-4 0350-0350 80/100-21 TR-4 0350-0350 90/90-21 TR-4 0350-0350 90/100-21 TR-4 0350-0350 100/80-21 TR-4 0350-0350 2.75/3.00-23 TR-4 0350-0351 FITS TIRE SIZE(S) STEM TYPE PART # HEAVY-DUTY 2.50/2.75-10 TR-4 0350-0352 60/100-10 TR-4 0350-0353 80/100-10 TR-4 0350-0354 60/100-12 TR-4 0350-0355 80/100-12 TR-4 0350-0356 2.25/2.50-14 TR-4 0350-0357 60/100-14 TR-4 0350-0357 90/100-14 TR-4 0350-0358 90/100-16 TR-4 0350-0359 4.00/5.10-17 TR-4 0350-0360 110/100-17 TR-4 0350-0360 70/100-17 TR-4 0350-0361 4.00/5.10-18 TR-4 0350-0362 3.25/4.10-18 TR-4 0350-0363 100/100-18 TR-4 0350-0363 110/100-18 TR-4 0350-0362 70/100-19 TR-4 0350-0366 100/90-19 TR-4 0350-0364 110/90-19 TR-4 0350-0365 120/90-19 TR-4 0350-0365 2.75/3.00-21 TR-4 0350-0367 80/100-21 TR-4 0350-0367 90/90-21 TR-4 0350-0367 90/100-21 TR-4 0350-0367 100/80-21 TR-4 0350-0367 PARTS UNLIMITED INNER TUBES INNER TUBES •Manufactured to the highest quality as approved by all the Japanese motorcycle manufacturers •Available in standard and heavy-duty versions •Each tube is individually boxed with a full range of sizes and valve stem types clearly marked on each box end • For Valve Stem Types, see above STANDARD TUBES •Wide range of sizes available for rim diameters from 8” through 23” • ”Real butyl tubes” made from 100% butyl polymer, unlike other “butyl” tubes, which are blended with butyl polymer and natural rubber •100% butyl tube minimizes natural air leakage while maintaining air pressure for a longer period of time HEAVY-DUTY TUBES •Wide range of sizes available for rim diameters from 10” through 21” •Made of natural rubber which offers a very high tear strength •2.8 to 3 mm thick rubber provides extra protection against punctures and pinching •Best suited for offroad use •TR-4 valve stem Heavy-Duty Standard
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