Quick view KTM 350 SX-F 2011-2015 BIG BORE CYLINDER KIT ATHENA PARTS 365cc $788.50 Choose Options Compare
Quick view KTM 350 SX-F 2011-2015 CYLINDER KIT STANDARD BORE ATHENA PARTS $724.50 Choose Options Compare
Quick view KTM 350 SX-F 2010-2018 PISTON KIT 87.95mm 13.5:1 WOSSNER PARTS $258.50 Add to Cart Compare
Quick view KTM 350 SX-F 2011-2019 TOP END GASKET KIT ENGINE PARTS ATHENA $127.50 Choose Options Compare
Quick view KTM 250 350 450 SX-F 2005-2019 VALVE SHIM KIT 8.90mm PROX PARTS $149.50 Add to Cart Compare
Quick view KTM 350 SX-F 2011-2018 EXHAUST VALVES & SPRINGS STEEL PROX PARTS $169.00 Add to Cart Compare
Quick view KTM 350 SX-F 2011-2018 INTAKE VALVE SPRINGS KIT STEEL PROX PARTS $169.00 Add to Cart Compare
Quick view KTM 350 SX-F 2011-2015 CLUTCH PLATES & SPRING KIT PROX MX PARTS $238.50 Add to Cart Compare
Quick view KTM 350 SX-F 2011-2015 MAIN BEARINGS & CRANK SEALS KIT MX PARTS $169.50 Add to Cart Compare
Quick view KTM 125 250 350 450 SX SX-F 2011-2015 SEAT COVER SELLE DALLA VELLE $88.50 Add to Cart Compare
Quick view KTM 125 150 250 300 350 450 SX F 2004-2015 BRAKE PEDAL REPAIR KIT $68.50 Add to Cart Compare
Quick view KTM 350 SX-F 2011-2018 LINKAGE BEARINGS REBUILD KIT PROX PARTS $128.50 OUT OF STOCK Compare
Quick view KTM 350 SX-F 2011-2018 SWING ARM BEARING KITS PROX MX PARTS $104.50 Choose Options Compare
Quick view KTM 350 SX-F 2011-2015 CLUTCH MASTER CYLINDER REBUILD PARTS KIT $39.75 Add to Cart Compare
Quick view KTM 350 SX-F 2011-2019 FRONT BRAKE MASTER CYLINDER KITS PROX $42.40 Choose Options Compare
Quick view KTM 350 SX-F 2011-2019 FRONT WHEEL SPACER KITS PROX MX PARTS $49.50 Choose Options Compare
Quick view KTM 250 350 450 SX-F 2006-2019 REAR BRAKE PADS SINTER MXSP PARTS $29.50 Add to Cart Compare
Quick view KTM 350 SX-F 2011-2012 CON ROD BOTTOM END ENGINE REBUILD KIT CON ROD BOTTOM END ENGINE PARTS REBUILD KIT KTM 350 SX-F 2011-2012 Kit Includes - ProX or Wossner Connecting Rod - Pro X Crankshaft bearings Set - Athena or Winderosa Complete Gasket Set (whichever in stock) - Athena or Pro X... $726.00 Add to Cart Compare
Quick view KTM 350 SX-F 2011-2015 BIG BORE CYLINDER KIT ATHENA PARTS 365cc ATHENA BIG BORE CYLINDER KIT KTM 350 SX-F 2011-2015 Makes 365cc @ 90mm Bore. The Italian made Athena Big Bore Kits include - 90mm Big Bore Cylinder 365cc - Athena Top End Gasket set with Head Gasket, Base & Exhaust Gasket - 89.96mm... $788.50 Choose Options Compare
Quick view KTM 350 SX-F 2011-2015 CYLINDER KIT STANDARD BORE ATHENA PARTS STANDARD CYLINDER PISTON GASKETS KIT KTM 350SX-F 2011-2015 The Italian made Athena Cylinder Kits include - 88mm Standard size 350 SX-F Cylinder 350cc - Athena Top End Gasket set with Head Gasket, Base & Exhaust Gasket - 87.96mm ATHENA... $724.50 Choose Options Compare
Quick view KTM 350 SX-F 2013-2015 CON ROD BOTTOM END ENGINE REBUILD KIT CON ROD BOTTOM END ENGINE PARTS REBUILD KIT KTM 350 SX-F 2013-2015 Kit Includes - ProX or Wossner Connecting Rod - Pro X Crankshaft bearings Set - Athena or Winderosa Complete Gasket Set (whichever in stock) - Athena or Pro X... $749.00 Add to Cart Compare
Quick view KTM 350 SX-F 2016-2018 CON ROD BOTTOM END ENGINE REBUILD KIT CON ROD BOTTOM END ENGINE PARTS REBUILD KIT KTM 350 SX-F 2016-2018 Kit Includes - ProX or Wossner Connecting Rod - Pro X Crankshaft bearings Set - Athena or Winderosa Complete Gasket Set (whichever in stock) - Athena or Pro X... $749.00 Add to Cart Compare
Quick view KTM 350 SX-F 2011-2012 TOP END ENGINE PARTS REBUILD KIT PROX TOP END ENGINE PARTS REBUILD KIT KTM 350 SX-F 2011-2012 Rebuild Kit Includes - PROX High Performance Piston Kit 87.95mm with piston, rings set, wrist pin, clips. - PRO X/Winderosa Top End Gasket Set, Base Gaskets, Head... $339.00 Add to Cart Compare
Quick view KTM 350 SX-F 2013-2015 TOP END ENGINE PARTS REBUILD KIT PROX TOP END ENGINE PARTS REBUILD KIT KTM 350 SX-F 2013-2015 Rebuild Kit Includes - PRO X / Wossner Piston Kit 87.96mm with piston, rings, wrist pin, 2x circlips. (B Size Available) - PRO X/ Winderosa Top End... $349.00 Add to Cart Compare
Quick view KTM 350 SX-F 2016-2018 TOP END ENGINE PARTS REBUILD KIT PROX TOP END ENGINE PARTS REBUILD KIT KTM 350 SX-F 2016-2018 Rebuild Kit Includes - PRO X / Wossner Piston Kit 87.96mm with piston, rings, wrist pin, 2x circlips. (B Size Available) - PRO X/ Winderosa Top End... $359.00 Add to Cart Compare
Quick view KTM 350 SX-F 2010-2018 PISTON KIT 87.95mm 13.5:1 WOSSNER PARTS WOSSNER HIGH PERFORMANCE PISTON KIT KTM 350 SX-F 2010-2018 87.95mm, STOCK A SIZE PISTON. 13.5:1 COMP RATIO Includes - State of the art piston, Ring set, wrist pin and 2x circlips. The KTM 350 SX-F Wossner 4-stroke High... $258.50 Add to Cart Compare
Quick view KTM 350 SX-F 2011-2018 PISTON KIT 87.96mm PROX ENGINE PARTS PRO X HIGH PERFORMANCE PISTON KIT KTM - 350 SX-F 2011-2018 87.96mm, 13.5:1 STOCK A SIZE PISTON. Includes - State of the art forged piston, piston rings set, wrist pin and 2x circlips.(also available B size 87.97mm) These KTM 350 SX-F... $229.00 Add to Cart Compare
Quick view KTM 350 SX-F 2011-2012 COMPLETE GASKET KIT ATHENA MX PARTS ATHENA COMPLETE GASKET KIT KTM 350 SX-F 2011-2012 The KTM 350SX-F & 350EXC-F complete gasket set consists of Case gaskets, Clutch Cover, Ignition cover, water pump cover, head gaskets, base gaskets, exhaust gaskets,... $199.00 Add to Cart Compare
Quick view KTM 350 SX-F 2011-2019 TOP END GASKET KIT ENGINE PARTS ATHENA TOP END GASKET KITS KTM 350 SX-F FROM 2011-2019 The KTM 350 SX-F Top end gasket sets consists of multi layer head gasket, base gasket, exhaust gasket, o-rings and valve stem seals etc. Perfect for a top end rebuild task. ... $127.50 Choose Options Compare
Quick view KTM 350 SX-F 2013-2015 FULL GASKET & ENGINE SEALS KIT ATHENA ATHENA COMPLETE GASKET & ENGINE SEALS KIT KTM 350 SX-F 2013-2015 Athena offers the highest quality gasket kits & dirt bike parts worldwide! The ATHENA KTM 350 SX-F complete gasket & engine seals kits are made from premium materials with... $237.50 Add to Cart Compare
Quick view KTM 350 SX-F 2016-2018 FULL GASKET & ENGINE SEALS KIT ATHENA ATHENA COMPLETE GASKET & ENGINE SEALS KIT KTM 350 SX-F 2016-2018 Athena offers the highest quality gasket kits & dirt bike parts worldwide! The ATHENA KTM 350 SX-F complete gasket & engine seals kits are made from premium materials with... $237.50 Add to Cart Compare
Quick view KTM 250 350 450 SX-F 2005-2019 VALVE SHIM KIT 8.90mm PROX PARTS KTM 8.90mm COMPLETE VALVE SHIM KIT **Check year & model KTM APPLICATIONS- 250SX-F 2005-2019 350SX-F 2011-2019 450SX-F 2007-2019 Shim sizes - 1.72mm to 2.60mm, in increments of .04mm, 3 of each size (total shims 69) High Quality Pro X... $149.50 Add to Cart Compare
Quick view KTM 350 SX-F 2011-2018 EXHAUST VALVES & SPRINGS STEEL PROX PARTS STEEL EXHAUST VALVES & SPRINGS KIT KTM 350SX-F 2011-2018 KTM 350 SX-F STEEL EXHAUST VALVE KITS include 2 Valves and 2 matching Springs The Pro X steel Valves and springs are manufactured of premium grade steel for use as a more durable option... $169.00 Add to Cart Compare
Quick view KTM 350 SX-F 2011-2018 INTAKE VALVE SPRINGS KIT STEEL PROX PARTS PRO X STEEL INTAKE VALVES & SPRINGS KIT KTM 350 SX-F 2011-2018 KTM 350 SX-F STEEL INTAKE VALVE KITS include 2 Valves and 2 matching Springs The Pro X steel Valves and springs are manufactured of premium grade steel for use as a more... $169.00 Add to Cart Compare
Quick view KTM 350 SX-F 2011-2015 CLUTCH PLATES & SPRING KIT PROX MX PARTS COMPLETE CLUTCH PLATES & SPRINGS KIT KTM 350 SX-F 2011-2015 PROX Clutch Kit Includes- Drive Plates, Fibre Friction Plates, Springs set. This KTM 350 SX-F japanese made complete clutch plate kit is OEM quality for your clutch... $238.50 Add to Cart Compare
Quick view KTM 350 SX-F 2011-2019 OIL FILTERS 2 PACK ATHENA MX PARTS 2 PACK ATHENA OIL FILTERS KTM 350 SX-F FROM 2011-2019 *This kit contains 2 Oil Filters ATHENA is a distributor of OEM oil filters to the most important motorcycle manufacturers. The oil filters are sold, when necessary, with the relative... $29.40 Add to Cart Compare
Quick view KTM 350 SX-F 2012-2019 CAM TIMING CHAINS ENGINE PARTS PROX PRO X CAM TIMING CHAINS KTM 350 SX-F FROM 2011-2019 The KTM 350 SX-F Cam Chains are manufactured by Borg Warner in Japan. Borg warner are the big name in supplying OEM Companies worldwide. So you know you are getting genuine part... $113.50 Choose Options Compare
Quick view KTM 350 SX-F 2011-2012 CONNECTING ROD BIG END PRO X PARTS PRO X CONNECTING ROD KTM 350 SX-F 2011-2012 KTM 350 SX-F PRO X Connecting Rods are made out of the toughest alloys available today, OEM tolerances and specifications are meticulously maintained, a guarantee for easy installation and trouble free... $259.40 Add to Cart Compare
Quick view KTM 350 SX-F 2011-2015 MAIN BEARINGS & CRANK SEALS KIT MX PARTS PRO X MAIN BEARINGS & CRANKSHAFT SEALS KTM 350 SX-F 2011-2015 KTM 350 SX-F PRO X crankshaft bearings and seals are made at leading O.E.M. factories, mainly in Japan. All bearings and seals are made to exact O.E.M. specifications, to ensure... $169.50 Add to Cart Compare
Quick view KTM 250 350 450 SX-F 2006-2012 REAR WHEEL SPACER PARTS KIT PRO X REAR WHEEL SPACER KIT KTM APPLICATIONS 250SX-F 2006-2012 350SX-F 2011-2012 450SX-F 2007-2012. The ProX KTM 125 250 350 450 SX F Rear Wheel Spacer Kit is a direct replacement for the OEM parts. The ProX alloy spacers... $49.50 Add to Cart Compare
Quick view KTM 350 SX-F 2011-2019 FRONT WHEEL BEARING & SEALS PROX PARTS FRONT WHEEL BEARINGS & SEAL KIT KTM 350 SX-F 2011-2019 This Kit Consists of 2 High Quality Japanese Front Wheel Bearings & seal Get rid of compromised handling and riding ability caused by worn wheel bearings and seals, This KTM 350... $49.95 Add to Cart Compare
Quick view KTM 350 SX-F 2011-2019 REAR WHEEL BEARING & SEALS PROX PARTS PROX REAR WHEEL BEARING & SEALS KIT KTM 350 SX-F FROM 2011-2019 *This Kit Consists of 2 High Quality wheel bearings and 2 bearing seals.* Why settle for poor handling and steering caused by worn bearings and seals, Good news a ProX rear wheel... $39.95 Add to Cart Compare
Quick view KTM 125 150 250 350 450 SX SX-F 2008-2015 CHAIN GUIDE ORANGE REAR SPROCKET CHAIN GUIDE KTM APPLICATIONS- 125SX 2008-2015, 250SX 2008-2015, 250SX-F 2008-2015, 350SX-F 2008-2015, 450SX-F 2008-2015. Accel KTM Rear Sprocket Chain Guide High Quality, uses stock... $66.50 Add to Cart Compare
Quick view KTM 125 150 250 350 450 SX SX-F 2013-2014 PLASTICS KIT WRP WRP PLASTICS KIT Kit Includes- Front Fender, Rear Fender Side Panels and Radiator Shrouds. The KTM 125 150 250 350 450 SX SX-F 2013-2014 WRP Original style Plastic Kit is the perfect OEM alternative when replacing worn,... $149.55 Add to Cart Compare
Quick view KTM 125 250 300 350 450 SX SX-F 2011-2012 PLASTICS KIT WRP WRP PLASTICS KIT KTM Application - 125SX 2012, 150SX 2012, 250SX 2012. 250SX-F 2011-2012, 350SX-F 2011-2012, 450SX-F 2011-2012. Kit Includes - Front Fender, Rear Fender, Side Panels and Radiator... $149.55 Add to Cart Compare
Quick view KTM 125 250 350 450 SX SX-F 2011-2015 SEAT COVER SELLE DALLA VELLE KTM FACTORY SEAT COVER APPLICATIONS - 125SX 2011-2015, 150SX 2011-2015, 250SX 2011-2016, 250SX-F 2011-2015, 350SX-F 2011-2015, 450SX-F 2011-2015. **Check model & year. High Quality Ribbed Type Seat... $88.50 Add to Cart Compare
Quick view KTM 2003-2019 BOLT KIT 160 Piece 50cc-530cc SX SX-F EXC EXC-F KTM Full Bike Bolt Kit 50cc-450cc SX, SX-F, EXC, EXC-F, 2003-2019 160 Piece Kit Factory Style Hardware Kit Fastens- All plastics, Sub-frame, brake system, exhaust pipe, chain guides, sprocket bolts, skid plate and guards, case covers, triple... $66.50 OUT OF STOCK Compare
Quick view KTM 250 350 450 SX-F 2014-2019 CHAIN GUIDE WRP MX PARTS WRP REAR SPROCKET CHAIN GUIDE KTM APPLICATIONS- 250 SX-F 2014-2019, 350 SX-F 2014-2019, 450 SX-F 2014-2019, WRP Rear Sprocket Chain Guide Premium Quality, Italian made, uses stock mounts. Bolt in and go. Direct... $37.50 Add to Cart Compare
Quick view KTM 350 SX-F 2011-2015 GEAR SHIFT LEVER BRAKE PEDAL MX PARTS GEAR SHIFTER LEVER & BRAKE PEDAL KTM 350 SX-F 2011-2015 KTM 350 SX-F Forged Alloy Gear Shift & Brake Pedal High Quality Spring Tips and Pivot points. Anodised KTM Orange colours. Brake pedal includes optional brake snake... $109.00 Add to Cart Compare
Quick view KTM 350 SX-F 2011-2015 MX SEAT WITH COVER PSYCHIC PARTS PSYCHIC BLACK MOTOCROSS SEATS KTM 350 SX-F 2011-2015 Psychic seats are made as a direct OEM replacement, easy installation and no modifications required. Seamless, UV and water resistant covers for better foam protection and cleaner appearance... $169.40 Choose Options Compare
Quick view KTM 350 SX-F 2011-2018 RADIATOR SET PSYCHIC MX PARTS PSYCHIC RADIATOR SETS KTM 350 SX-F FROM 2011-2018 KTM 350 SX-F Psychic radiators sets are made as a direct OEM replacement, easy installation and no modifications required. All psychic radiators have high quality tig welding seams, to... $258.40 Choose Options Compare
Quick view KTM REAR SPROCKET ORANGE 125 250 300 350 450 EXC SX SX-F 48T REAR ALLOY SPROCKET 48 TOOTH KTM APPLICATIONS 125 150 250 300 350 450 500 525 530 SX, SX-F, EXC & EXC-F - 1990-2018 These KTM Rear Alloy Sprockets are 7075 aluminium rear sprockets that are designed and made by... $59.95 Add to Cart Compare
Quick view KTM 125 150 250 300 350 450 SX F 2004-2015 BRAKE PEDAL REPAIR KIT PEDAL REPAIR KIT KTM APPLICATIONS 125SX 2004-2015, 150SX 2009-2015, 250SX 2004-2016, 250SX-F 2006-2016, 350SX-F 2011-2015, 450SX-F 2007-2015. Worn Brake pedal bearings will effect your bike's handling! Each KTM SX F PRO X... $68.50 Add to Cart Compare
Quick view KTM 350 SX-F 2011-2018 LINKAGE BEARINGS REBUILD KIT PROX PARTS LINKAGE BEARING RE-BUILD KITS KTM 350 SX-F 2011-2018 Worn Linkage bearings will effect bike suspension and handling! The KTM 350SX-F Linkage Bearing rebuild kit includes every OE quality bearing, seal, pin and collar you need to get back on the... $128.50 OUT OF STOCK Compare
Quick view KTM 350 SX-F 2011-2018 SWING ARM BEARING KITS PROX MX PARTS SWING ARM BEARING & BUSHES KIT KTM 350 SX-F FROM 2011-2018 The KTM 350 SX-F Swing Arm Bearing kit features all of the needle bearings, pins, seals, caps, collars and bushings your ride requires for a smooth travelling swing arm... $104.50 Choose Options Compare
Quick view KTM 350 SX-F 2011-2019 STEERING STEM BEARING KIT PROX PARTS STEERING STEM BEARING KIT KTM 350 SX-F 2011-2019 This Kit consists of 2 Steering Stem bearings and applicable seals Dont settle for sub-standard steering and handling with worn steering headset bearings when a ProX KTM Steering Stem Bearing... $66.50 Add to Cart Compare
Quick view KTM 350 450 SX-F 2013-2019 REAR WHEEL SPACER KIT PROX PARTS PRO X REAR WHEEL SPACER KIT KTM APPLICATIONS 350SX-F 2013-2019, 450SX-F 2013-2019. The ProX Wheel Spacer Kit is a complete and direct replacement for the OEM parts. The ProX KTM 350 450 SX F Front Wheel alloy spacers feature a hardened... $49.50 Add to Cart Compare
Quick view KTM 350 SX-F 2011-2015 CLUTCH MASTER CYLINDER REBUILD PARTS KIT CLUTCH MASTER CYLINDER REBUILD KIT KTM 350 SX-F 2011-2015 Have you lost the "feel" of your clutch? Install a quality PRO X KTM 350 SX-F OEM type Clutch Master Cylinder rebuild kit to giveyou back your clutch response. Includes-... $39.75 Add to Cart Compare
Quick view KTM 350 SX-F 2011-2018 FRONT BRAKE CALIPER REBUILD KIT PROX PRO X FRONT BRAKE CALIPER REBUILD KITKTM 350 SX-F 2011-2018 Dont settle for compromised braking, Install a quality OEM type Front Brake Caliper rebuild kit to give you back your braking power. Pro X - OEM quality parts at a... $39.90 Add to Cart Compare
Quick view KTM 350 SX-F 2011-2018 REAR BRAKE CALIPER REBUILD KIT PROX PRO X REAR BRAKE CALIPER REBUILD KIT KTM 350 SX-F 2011-2018 Dont settle for compromised braking, Install a quality OEM type Rear Brake Caliper rebuild kit to give you back your braking power. Pro X - OEM quality parts at a... $39.90 Add to Cart Compare
Quick view KTM 350 SX-F 2011-2019 FRONT BRAKE MASTER CYLINDER KITS PROX FRONT BRAKE MASTER CYLINDER REBUILD KIT KTM 350 SX-F FROM 2011-2019 KTM 350 SX-F Front Brake master Cylinder rebuild kits Dont settle for compromised brakes, Install a quality OEM type Brake Master Cylinder rebuild kit to... $42.40 Choose Options Compare
Quick view KTM 350 SX-F 2011-2019 FRONT WHEEL SPACER KITS PROX MX PARTS FRONT WHEEL SPACER KITS KTM 350 SX-F 2011-2019 This KTM 350 SX-F Front Wheel Spacer Kit is a complete replacement for the OEM wheel spacer parts. The ProX alloy spacers feature a hardened steel shell pressed over the alloy providing a... $49.50 Choose Options Compare
Quick view KTM 350 SX-F 2011-2019 REAR BRAKE MASTER CYLINDER KITS PROX REAR BRAKE MASTER CYLINDER REBUILD KITSKTM 350 EXC-F 2011-2019 KTM 350 SX-F Rear Brake Master Cylinder KitDont settle for compromised brakes, Install a quality OEM type Brake Master Cylinder rebuild kit to give you back your braking... $42.80 Choose Options Compare
Quick view KTM 125 150 250 350 450 SX F 1991-2019 FRONT BRAKE DISC ROTOR KTM FRONT BRAKE DISC ROTOR KTM APPLICATIONS- 125SX 1991-2019, 144SX 150SX 2009-2019, 250SX 1991-2019, 250SX-F 2006-2019, 350SX-F 2011-2019, 450SX-F 2007-2019. KTM 125 150 250 350 450 SX SX-F Front Brake Disc Rotors are heat... $89.25 Add to Cart Compare
Quick view KTM 125 150 250 350 450 SX F 1991-2019 REAR BRAKE DISC ROTOR MXSP REAR BRAKE DISC ROTOR KTM APPLICATIONS- 125SX 1991-2019, 144SX 150SX 2007-2019, 250SX 1991-2019, 250SX-F 2006-2019, 350SX-F 2011-2019, 450SX-F 2007-2019. The KTM 125 150 250 350 450 SX F Rear Brake Disc... $89.50 Add to Cart Compare
Quick view KTM 250 350 450 SX-F 2006-2019 FRONT BRAKE PADS SINTER MXSP FRONT BRAKE PAD SET - KTM APPLICATIONS 250 SX-F 2006-2019 350 SX-F 2011-2019 450 SX-F 2007-2019 These KTM 250 350 450 SXF Front brake pads are manufactured from a premium sinter compound, which is superior to an organic compound... $29.50 Add to Cart Compare
Quick view KTM 250 350 450 SX-F 2006-2019 REAR BRAKE PADS SINTER MXSP PARTS REAR BRAKE PAD SET - KTM APPLICATIONS 250 SX-F 2006-2019350 SX-F 2011-2019450 SX-F 2007-2019 These KTM 250 350 450 SX-F Rear Brake pads are a premium type sinter compound, which is superior to an organic compound pad.Specially designed for... $29.50 Add to Cart Compare
Quick view KTM 350 SX-F 2011-2019 FRONT BRAKE DISC ROTOR BRAKING PROX FRONT BRAKE DISC ROTOR KTM 350 SX-F 2011-2019 Factory Look Laser cut for optimum braking, Stainless steel front wave disc rotor. Heat treated and tempered to be super strong discs with 260mm Outer Diameter Full OEM replacement part. Extra... $115.50 Add to Cart Compare
Quick view KTM 350 SX-F 2011-2019 REAR BRAKE DISC ROTOR BRAKING PROX REAR BRAKE DISC ROTOR KTM 350 SX-F 2011-2019 Factory Look Laser cut for optimum braking, Stainless steel rear disc rotor. Super Strong Heat treated and tempered Alloys 220mm Outer Diameter Full OEM replacement part. See picture below... $115.50 Add to Cart Compare
