SuperSprox Front MX Grooved CST-1901-13 RK C4158-13 Q8 JTF1901 AFAM 73301
SuperSprox Front MX Grooved CST-1901-13 RK C4158-13 Q8 JTF1901 AFAM 73301

SuperSprox Front MX Grooved CST-1901-13 RK C4158-13 Q8 JTF1901 AFAM 73301

  • 13
  • 1901
  • Chain-and-Transmission
  • Chain-and-Transmission>Chain-and-Sprocket-Kit-Components
  • Chain-and-Transmission>Front-Sprockets>Steel-Sprockets
  • Front
  • Front-Sprockets
  • Grooved
  • JTF1901
  • Steel
  • Steel-Sprockets
  • Tier1-Chain-and-Transmission
  • Tier2-Front-Sprockets
  • Tier3-Steel-Sprockets
£15.35
SupersproxFront Sprockets
Supersprox grooved gearbox sprocket

Made from SCM-435 case hardened steel for extended life. 

The refined core structure ensures that the teeth will not break when worn, like cheap C-45 sprockets often do.

Grooves and lightening holes for off road bikes.

The lightest and strongest sprockets on the market


Manufacturer Part No. (MPN): CST-1901:13.1
Barcode: 8592165012124
Alt. Centre: 1901
Centre: JTF1901
Grooved: Grooved
Material: Steel
Position: Front
Teeth: 13

Fitment Summary
Compatible with 1,355 models (yearly).

  • Beta: RR 250 Enduro, RR 250 Racing, RR 250 X Pro, RR 300 Enduro, RR 300 Racing, RR 300 X Pro, RR 350 Enduro, RR 350 Enduro Factory, RR 350 Enduro Racing, RR 350 X Pro, 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 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 498 Enduro, RR 498 Enduro Racing, RR 498 Racing, RR 520 Enduro, RR 520 Enduro Factory, RR 520 Enduro Racing, RRS 350 Enduro, RRS 390 Enduro, RRS 430 Enduro, RS 500 Dualsport, RS 520 Dualsport
  • GasGas: EC 250E4, EC 250F, EC 300, EC 350F, Enduro 250, EX 250, EX 250F, EX 250 F 4T, EX 300F, EX 350 F 4T, EX 450 F 4T, MC 450 F 4T, TXT 125 Racing, TXT 125 Trials
  • Husaberg: FE 250, FE 350, FE 390, FE 450, FE 570, FX 450, FX 450E, TE 125, TE 250, TE 300
  • Husqvarna: CR 50 Husky Boy, FC 250, FC 250 Rockstar, FC 350, FC 450, FC 450 Rockstar, FE 250, FE 350, FE 350S, FE 450, FE 501, FE 501S, FX 350, FX 450, TC 125, TC 250, TC 250i, TE 125, TE 150, TE 150i, TE 250, TE 250i, TE 300, TE 300i, TE 450, TE 450A2, TE 450H8, TX 125, TX 300
  • KTM: EGS 250, EXC 125 Enduro, EXC 125 Six Days, EXC 150 Enduro, EXC 250 Enduro, EXC 250 Factory, EXC 250 six days, EXC 300 6 Days, EXC 300 Enduro, EXC 360 Enduro, EXC 380 Enduro, EXC 400 Enduro, EXC 450 Enduro, EXC 450 Six Days, EXC 500 Enduro, EXC 500 Six Days, EXC 520 Racing, 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 6 Days, EXCF 500 Enduro, EXCF 500 six days, EXCG 400 Racing, GS 125, GS 250, GS 300XC, GS 420, MX 250, MX 250C, MX 300C, MX 350, MX 450C, MX 500, MXC 200, SC 400 LC4 Supercomp, SMR 450, SMS 450, SX 125, SX 150, SX 250, SX 360, SX 380, SX 400, SX 440, SX 450, SXF 250, SXF 250 Factory Edition, SXF 350, SXF 450, SXF 450 Factory Edition, SXF 505, SXF 520 Racing, SXF 525, SXF 525RFS, SXFF 450 Factory Edition, TE 150, XC 125, XC 150, XC 150Tpi, XC 200, XC 250, XC 250TPI, XC 300TPi, XCF 250, XCF 350, XCF 450, XCFW 250, XCFW 300 six days, XCFW 350 six days, XCFW 450, XCFW 530, XCRW 450, XCW 125, XCW 150, XCW 150Tpi, XCW 200, XCW 250, XCW 250TPI, XCW 300, XCW 300 6 Days, XCW 450, XL 250

Price Promise

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Extended Warranty

Added peace of mind with comprehensive warranty options available.

4.8 Google Rating

Highly rated by our customers for service, expertise, and reliability.

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About John Lee Motorcycles

John started work in the Motorcycle Trade in 1955, working for 2 large London Dealers for 10 years. His ambition was to own his own dealership, so moved to Northamptonshire and purchased the shop where we are today in Higham Ferrers, that was 1964.

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