CST 80/100-21 TR4 MX/Enduro XHD Tube

CST XHeavy Duty MX/Enduro Butyl inner tube TR4 straight metal valve

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All Maxxis and CST Standard & Heavy Duty tubes are made from a special formula of high-density butyl rubber to ensure the tyre stays inflated.

Our Heavy Duty Tubes are 33.33% thicker than our standard tubes. Recommended for Motocross and Supercross racing

All Maxxis and CST Extra Heavy Duty tubes are made from the same special formula of high density butyl rubber as our standard and Heavy Duty tubes.

Extra Heavy Duty tubes are 100% thicker than the Standard tubes Recommended for Enduro and Extreme Enduro

Manufacturer Part No. (MPN): IM92500600
Barcode: 6933882596122

Rim Size:	21
Width:	80
Profile:	100
Thickness:	3mm
Use:	HD MX/Enduro
Valve Type:	TR4

Fitment Summary
Compatible with 2,682 models (yearly).

• AJP: PR3 125 Enduro, PR3 125 Enduro Pro, PR3 200 Enduro, PR3 240 Enduro, PR4 125 Enduro, PR4 125 Enduro pro, PR4 200 Enduro, PR4 240 Enduro, PR5 250 Enduro, SPR 125 Enduro, SPR 240 Enduro, SPR 250 Enduro, SPR 300 Enduro, SPR 310 Enduro, SPR 510 Enduro
• Alfer: GR 250 Enduro, GR 300 Enduro, VR 250 Enduro
• Ancillotti: GR 250 Enduro
• Aprilia: ETX 350 Tuareg
• Asiawing: LX 450 Enduro, LXi 450 Enduro, NC 250 Enduro, Nci 250 Enduro
• HM Italia: CR 250R, CRF 250F, CRF 250 HM Special, CRF 250R
• Husaberg: FE 250, FE 350, FE 390, FE 400, FE 450, FE 501, FE 510, FE 550, FE 570, FE 600, FE 650, TE 125, TE 250, TE 300
• Husqvarna: Enduro 701, Enduro 701 Terra, FE 250, FE 350, FE 350S, FE 450, FE 501, FE 501S, FE 701, LR 701 Enduro, LT 610, TC 310, TE 125, TE 250, TE 250i, TE 300, TE 300i, TE 310, TE 350, TE 410, TE 410E, TR 650 Strada, TR 650 Terra, TXC 310, WR 125, WR 250, WR 360, WRE 125, WRE 125H2, WRE 250, WXC 250
• Kawasaki: KX 250 Enduro F, KX 450 Enduro F
• Maico: GS 350, GS 600, Supermoto 500
• Malanca: Mark 125 Enduro
• Motorhispania: RYZ 125 Enduro
• Sherco: CityCorp 125 Enduro, SE 125 Enduro, SE 250 Enduro, SE 300 Enduro, SE 450 Enduro 4.5, SE 510 Enduro, SEF 250 Enduro, SEF 300 Enduro 4T, SEF 450 Enduro 4.5 4T, SEF 500 Enduro, SEF 500 Enduro 4T, SEF 510 Enduro 4T, SEFR 250 Enduro 4T, SEFR 300 Enduro 4T, SEFR 450 Enduro 4T, SEi 250 Enduro, SEi 300 Enduro, SEi 450 Enduro 4.5, SEiR 450 Enduro 4.5, SER 250 Enduro, SER 300 Enduro
• SWM: RS 300R, RS 500R, RS 650R
• TM Racing: EN 125 Enduro, EN 250 Enduro, EN 250F, EN 250 F KYB Fork, EN 300 Enduro, EN 400 Enduro, EN 450 Enduro, EN 450 Enduro F, EN 530 Enduro, EN 530 Enduro F, MX 250, MX 250 Brembo front caliper, MX 250F, MX 250 F Brembo front caliper, SMX 2504t, SMX 250 Brembo Caliper, SMX 250 Fi Brembo front caliper
• VOR: E 500 Enduro, EN 400 Enduro
• Beta: Alp 1254T, Alp 200, Alp 2004T, Alp 350 4T Suzuki Engine, Evo 200, Evo 200 Enduro, Evo 300 Enduro, GS 250 Enduro, RE 125 Enduro 4T, Rev 50 Enduro Alu, Rev 3 125, Rev 3 125 Enduro 4T, Rev 3 250 Trials, RR 125 Enduro, RR 125 Enduro 4T, RR 200 Enduro, RR 250 Enduro, RR 250 Racing, RR 300 Enduro, RR 300 Racing, RR 350 EFI 4T, RR 350 Enduro, RR 350 Enduro Factory, RR 350 Enduro Racing, RR 350 X Pro, RR 3904T, RR 390 Enduro, RR 390 Enduro Racing, RR 390 X Pro, RR 400 Enduro, RR 400 Enduro Factory, RR 400 Enduro Racing, RR 430 Enduro, RR 430 Enduro Racing, RR 430 X Pro, RR 450 Cross, RR 450 Enduro, RR 450 Enduro Cross Country, RR 450 Enduro Factory, RR 450 Enduro Racing, RR 480 Enduro, RR 480 Enduro Factory, RR 480 Enduro Racing, RR 480 X Pro, RR 498 Enduro, RR 498 Enduro Racing, RR 498 Racing, RR 50 Enduro Alu, RR 520 Enduro, RR 520 Enduro Factory, RR 520 Enduro Racing, RR 525 Enduro, RR 525 Enduro Racing, RRS 350 Enduro, RRS 390 Enduro, RRS 430 Enduro, RRS 530 Enduro, RX 250, Xtrainer 300LC
• Honda: CR250 R, CR250 R1, CR250 R2, CR250 R3, CR250 R4, CR250 R5, CR250 R6, CR250 R7, CR250 R8, CR250 R9, CR250 RA, CR250 RB, CR250 RC, CR250 RD, CR250 RE, CR250 RF, CR250 RG, CR250 RH, CR250 RJ, CR250 RK, CR250 RL, CR250 RM, CR250 RN, CR250 RP, CR250 RR, CR250 RS, CR250 RT, CR250 RV, CR250 RW, CR250 RX, CR250 RY, CR250 RZ, CRE250 F, CRE250 IE, CRE250 Import, CRF250 Enduro, CRF250 F, CRF250 LAH, CRF250 LAJ, CRF250 LAK, CRF250 LAL, CRF250 LAM, CRF250 LD, CRF250 LE, CRF250 LF, CRF250 LG, CRF250 M, CRF250 R, CRF250 R4, CRF250 R5, CRF250 R6, CRF250 R7, CRF250 R8, CRF250 R9, CRF250 RA, CRF250 RB, CRF250 RC, CRF250 RD, CRF250 RE, CRF250 RF, CRF250 RG, CRF250 RK, CRF250 RLA, CRF250 RX, CRF250 RY, CRF250 X, CRF250 XRL, CRF450 L, CRF450 R, CRF450 R2, CRF450 R3, CRF450 R4, CRF450 R8, CRF450 RA, CRF450 Rally, CRF450 RB, CRF450 RC, CRF450 RD, CRF450 RE, CRF450 RF, CRF450 RG, CRF450 RH, CRF450 RJ, CRF450 RK, CRF450 RWE, CRF450 RX, CRF450 RXJ, CRF450 X, CRF450 XC, CRF450 XR, CRF450 XRL, CRM250 RK, CRM250 RL, CRM250 RM, CRM250 RN, CRM250 RP, CRM250 RR, CRM250 RS, CRM250 RT, CRM250 RV, CRM250 RW, CRM250 RX
• KTM: EGS 125, EGS 200, EGS 250, EGS 300, EGS 350, EGS 400, EGS 500, EGS 600, EGS 620 Adv., EGS 620 LC-4, EGSE 400, EXC 125 Enduro, EXC 125 Six Days, EXC 200 Enduro, EXC 250 Enduro, EXC 250 Factory, EXC 250 six days, EXC 300 Enduro, EXC 350 Enduro, EXC 360 Enduro, EXC 380 Enduro, EXC 400 Enduro, EXC 440 Enduro, EXC 450 Enduro, EXC 450 Six Days, EXC 500 Enduro, EXC 500 Six Days, EXC 505 Enduro, EXC 520 Racing, EXC 525 Racing, EXC 530 Enduro, EXC 600 Enduro, EXC 612 Enduro, EXC 620 Enduro, EXC 640 Enduro, EXC 660 Enduro, EXCE 250 electric start, EXCE 300 electric start, EXCF 250 Enduro, EXCF 250 six days, EXCF 300, EXCF 350, EXCF 350 6 days, EXCF 400 Enduro, EXCF 450 Enduro, EXCF 500 Enduro, EXCF 500 six days, EXCG 250 Racing, EXCG 400, EXCG 400 Racing, EXCG 525 Racing, EXCR 530 Six Days, EXE 125, GS 250, GS 350, GS 500, LC4 640 Adv. Enduro, LC4E 640 Enduro, MC 250, MX 250, MX 250C, MX 250 Cross, RXC 620, SX 250, SXC 625 LC-4, SXF 250, SXF 250 Factory Edition, SXS 250, SXSF 250, XC 250, XC 250TPI, XC 525, XC 525 Desert Racing, XCF 250, XCF 350, XCF 450, XCFW 250, XCFW 350 six days, XCFW 400, XCFW 500, XCFW 525, XCFW 530, XCRW 530, XCW 250, XCW 250TPI, XCW 450, XCW 500, XCW 500E, XCW 525, XL 250
• Suzuki: RM 250A, RM 250B, RM 250C, RM 250D, RM 250E, RM 250F, RM 250G, RM 250H, RM 250J, RM 250K, RM 250K1, RM 250K2, RM 250K3, RM 250K4, RM 250K5, RM 250K6, RM 250K7, RM 250K8, RM 250K9, RM 250L, RM 250L0, RM 250L1, RM 250L2, RM 250L3, RM 250L4, RM 250L5, RM 250L6, RM 250L7, RM 250M, RM 250N, RM 250P, RM 250R, RM 250S, RM 250T, RM 250V, RM 250W, RM 250X, RM 250Y, RM 250Z, RMX 250K, RMX 250L, RMX 250M, RMX 250N, RMX 250P, RMX 250R, RMX 250S, RMX 250ST, RMX 250SV, RMX 250SW, RMX 250SX, RMX 450ZL0, RMX 450ZL1, RMX 450ZL2, RMX 450ZL3, RMX 450ZL4, RMX 450ZL5, RMX 450ZL6, RMX 450ZL7, RMX 450ZL8, RMX 450ZL9, RMZ 450K5, RMZ 450K6, RMZ 450K7, RMZ 450K8, RMZ 450K9, RMZ 450L0, RMZ 450L1, RMZ 450L2, RMZ 450L3, RMZ 450L4, RMZ 450L5, RMZ 450L6, RMZ 450L7, RMZ 450L8, RMZ 450L9, RMZ 450M0, RMZ 450M1, RS 250 Enduro, SP 250 Enduro, TM 250 Enduro
• Yamaha: IT 425G, IT 425H, IT 425J, MX 250 Comp, TT 600B, TT 600D, TT 600E, TT 600F, TT 600G, TT 600H, TT 600J, TT 600K, TT 600L, TT 600M, TT 600 N 4KE 4MB, TT 600R, TT 600RE, TT 600S, TT 600T, TT 600V, TT 600W, TT 660R, TTR 225 Enduro, TTR 230 Enduro, TTR 250 Enduro, WR 250F, WR 250R, WR 250RA, WR 250RB, WR 250RD, WR 250RE, WR 250RF, WR 250RG, WR 250RH, WR 250RJ, WR 250RY, WR 250RZ, WR 450FA, WR 450FB, WR 450FD, WR 450FE, WR 450FF, WR 450FG, WR 450FH, WR 450FJ, WR 450FK, WR 450FL, WR 450FM, WR 450FN, WR 450FP, WR 450FR, WR 450FS, WR 450FT, WR 450FV, WR 450FW, WR 450FX, WR 450FY, WR 450FZ, YZ 250A, YZ 250A2, YZ 250A3, YZ 250B, YZ 250B2, YZ 250B3, YZ 250C, YZ 250D, YZ 250D2, YZ 250D3, YZ 250E, YZ 250E2, YZ 250E3, YZ 250F, YZ 250F0, YZ 250F1, YZ 250F2, YZ 250F3, YZ 250F4, YZ 250F5, YZ 250F6, YZ 250F7, YZ 250F8, YZ 250F9, YZ 250FA, YZ 250FB, YZ 250FC, YZ 250 FD EFI, YZ 250 FE EFI, YZ 250FG, YZ 250FH, YZ 250FJ, YZ 250FK, YZ 250FL, YZ 250 FX Enduro, YZ 250FY, YZ 250G, YZ 250G2, YZ 250G3, YZ 250H, YZ 250H2, YZ 250H3, YZ 250J, YZ 250J2, YZ 250J3, YZ 250K, YZ 250K3, YZ 250L, YZ 250L2, YZ 250M2, YZ 250N, YZ 250N2, YZ 250P2, YZ 250R2, YZ 250S, YZ 250S2, YZ 250T, YZ 250T2, YZ 250U, YZ 250V, YZ 250V2, YZ 250W2, YZ 250 X Enduro, YZ 250X2, YZ 250Y, YZ 250Y2, YZ 250Z2, YZ 400D, YZ 400E, YZ 400F, YZ 400FK, YZ 400FL, YZ 400FM, YZ 400FN, YZ 400FP, YZ 400FR, YZ 426FK, YZ 426FL, YZ 426FM, YZ 426FN, YZ 426FP, YZ 450 FX Enduro