BOLD MAGENTA part numbers are new for 2026 PARTS-UNLIMITED.COM 2026 | OFFROAD CHAINS CHAINS 770 DESCRIPTION PART # Chain tensioner hardware kit 2401-0855 CHAIN TENSIONER HARDWARE KIT •Replacement chain tensioner hardware for most stock applications of street and offroad motorcycles •Metric class (grade) 8.8 for outstanding wear and durability •Durable zinc plated finish for ultimate corrosion protection DESCRIPTION PART # M8 chain adjuster bolt/nut set 1231-0387 M10 chain adjuster bolt/nut set 1231-1763 CHAIN ADJUSTER BOLTS AND NUTS •For stock applications (will not work with Bolt’s custom billet chain adjuster block fasteners) •PART #1231-0387 includes: stainless steel (2) M8 x 50 mm hex head bolts and (2) M8 flange jam nuts with a 12 mm A/F (hex) •PART #1231-1763 includes:(2x) M10-1.25 x 50 bolts and (2) flange nuts with copper based anti-seize •Fits all stock applications that use an 8 mm bolt or 10 mm bolt •Includes anti-seize •Meet or exceed OEM specs •Made in the U.S.A. FITS MODEL PART # HONDA CR125R 82-99 0214-3154 CR125R 00-07 0214-0643 CR250R 00-07 0214-3154 CR250R 82-99 0214-3154 CRF250R/X 04-25 0214-0643 CR480R 83 0214-3154 CR500R 84-01 0214-0643 CRF450R/X 04-25 0214-0643 XR650R 00-07 0214-3154 KAWASAKI KX125 85-92 0214-3155 FITS MODEL PART # KAWASAKI (CONT) KX125 93-02 0214-3154 KX125 03-07 0214-0643 KX250 85-92 0214-3155 KX250 93-02 0214-3154 KX250 03-07 0214-0643 KX250F 04-25 0214-0643 KX450F 06-25 0214-0643 KX500 01-04 0214-3155 SUZUKI RM125 86-08 0214-3154 RM250 86-08 0214-3154 RM-Z250 89-96 0214-3154 RM-Z250 04-25 0214-0643 RM-Z450 04-25 0214-0643 FITS MODEL PART # YAMAHA YZ125 86-98 0214-3154 YZ125 00-25 0214-3155 YZ250 82-98 0214-3154 YZ250 00-25 0214-3155 YZ250F 01-08 0214-3155 YZ250F 09-25 0214-0643 YZ250FX 15-24 0214-3155 YZ250FX 25 0214-0643 YZ400F 98 0214-3154 YZ400F 99-00 0214-3155 YZ450F 03-08 0214-3155 YZ450F 09-25 0214-0643 YZ450FX 16-23 0214-3155 YZ450FX 24-25 0214-0643 AXLE LOCKNUT AND WASHER KITS •Replacement for a lost axle nut or upgrade for bikes equipped with a castle-style axle nut 1231-0387 FITS MODEL FINISH PART # HONDA CR125R/250R 00-08 Red anodized HAB00 CRF150R 07-16 Red anodized 1231-0106 CRF250R/X 04-08 Red anodized HAB00 CRF250R 09-17 Red anodized 1231-0217 CRF450R/X 02-08 Red anodized HAB00 CRF450R 09-17 Red anodized 1231-0217 FITS MODEL FINISH PART # KAWASAKI KX125/250 03-07 Brown anodized 1231-0268 KX250F 04-16 Brown anodized 1231-0268 KX250F 17-25 Hard anodized 1231-0835 KX450F 06-15 Brown anodized 1231-0268 KX450F 16-25 Hard anodized 1231-0835 FITS MODEL FINISH PART # SUZUKI RM-Z250 04-16 Brown anodized 1231-0268 RM-Z450 06-16 Brown anodized 1231-0268 BILLET AXLE BLOCKS •CNC machined from billet aluminum for strength and light weight •Kit contains the following class 8.8 hardware: two each M8x50 bolts with 10 mm hex head and two each M8 flange nuts with 12 mm hex head • Aid in rear wheel alignment, which improves high-speed stability and extends chain and sprocket life ELITE AXLE BLOCKS AND KITS • Ultra-slim, precision CNC machined from 6061-T6 billet aluminum •Tighter tolerances than OEM parts to help ensure accurate alignment of the rear wheel, prolonging chain and sprocket life •Reversible design keeps your adjustment bolts from extending beyond their service range • GasGas, Husqvarna and KTM kits convert the axle from fixed to floating and have a titanium drive side receiver and includes square removal nut tool •Anodized finish •Laser engraved WC logo •Axle blocks are sold in pairs •Made in the U.S.A. HAB00 1231-1004 1231-1013 1231-1666 1231-1751 1231-1020 1231-1031
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