CHAINS
CHAIN ADJUSTER
CHAIN ADJUSTER EXTENDERS
BOLTS AND NUTS
  • Great for use when the rear axle is at maximum
  • For stock applications (will not work with Bolt’s custom billet
  • adjustment to extend wheelbase
    chain adjuster block fasteners)
  • Help prevent adjuster bolts from bending under
  • Stainless steel (2) M8x50mm hex head bolts and (2) M8 flange
  • increased torque loads
    jam nuts with a 12mm A/F (hex)
  • Not for KTM
  • Fit all stock applications that use an 8mm bolt (most
  • Sold in sets of two
  • Japanese models)
  • Made in the U.S.A.
  • Includes anti-seize
  • Meet or exceed OEM specs
  • SUG. RETAIL ................................ $12.95 •Made in the U.S.A.
    PART #
    M01067 SUG. RETAIL .............................. $5.95 PART #
    1231-0387
    CHAIN TENSIONER
    HARDWARE KIT
  • Replacement chain tensioner hardware for most stock
  • 8MM CHAIN ADJUSTER
    applications of street and off-road motorcycles
  • Metric class (grade) 8.8 for outstanding wear and durability
  • Top-quality adjuster, available in 8mm only
  • Durable zinc plated finish for ultimate corrosion protection
  • Universal fit
  • Kit contains the following class 8.8 hardware: two each M8x50 bolts with 10mm hex head and
  • SUG. RETAIL ................................... $4.95 two each M8 flange nuts with 12mm hex head
    PART #
    1231-0080 SUG. RETAIL .............................. $2.99 PART #
    2401-0855 CHAINS
    1231-0379
    1231-0380
    1231-0381
    1231-0384
    CHAIN ADJUSTER BLOCKS
  • Now making your chain adjustment requires only one wrench – unique design features an integrated bolt
  • slot so the blocks stay in position even when the axle is removed
  • Each anodized 6061 aluminum block has permanently laser-etched aligning marks, placed so that only one
  • mark engages at a time, making aligning a snap
  • Kawasaki chain adjusters include a 22mm Fuji metal locknut to replace the stock cotter pin and castle nut
  • Husaberg/ KTM chain adjuster set features one threaded block for the stock axle
  • Fasteners have anti-seize compound pre-applied to the threads
  • 1231-0385
  • Includes installation instructions and two Bolt stickers
  • Made in the U.S.A.
  • SUG.
    SUG.
    SUG.
    FITS MODEL
    COLOR PART #
    RETAIL
    FITS MODEL
    COLOR PART #
    RETAIL
    FITS MODEL
    COLOR PART #
    RETAIL
    HONDA
    KAWASAKI
    SUZUKI
    CR125R 00-07
    Red
    1231-0379 $54.95
    KX125/ 250 04-07
    Green
    1231-0381 $59.95
    RM-Z250 04-18
    Black
    1231-0417 $54.95
    Black
    1231-0414 54.95
    Black
    1231-0416 59.95
    RM-Z450 04-18
    Black
    1231-0417 54.95
    CR250R 00-07
    Red
    1231-0379 54.95
    Blue
    1231-0549 57.95
    RMX450Z 10-12
    Black
    1231-0417 54.95
    Black
    1231-0414 54.95
    KX250F 04-18
    Green
    1231-0381 59.95
    YAMAHA
    CRF250R 04-18
    Red
    1231-0379 54.95
    Black
    1231-0416 59.95
    YZ125/ 250 02-18
    Black
    1231-0384 54.95
    Black
    1231-0414 54.95
    Blue
    1231-0549 57.95
    Blue
    1231-0385 54.95
    CRF250X 04-18
    Red
    1231-0379 54.95
    KLX450R 08-09
    Green
    1231-0381 59.95
    WR250F/ 426F/ 450F 02-18
    Black
    1231-0384 54.95
    Black
    1231-0414 54.95
    Black
    1231-0416 59.95
    Blue
    1231-0385 54.95
    CRF450R 02-18
    Red
    1231-0379 54.95
    Blue
    1231-0549 57.95
    YZ250F/ 426F/ 450F 02-08
    Black
    1231-0384 54.95
    Black
    1231-0414 54.95
    KX450F 06-18
    Green
    1231-0381 59.95
    Blue
    1231-0385 54.95
    CRF450X 05-18
    Red
    1231-0379 54.95
    Black
    1231-0416 59.95
    YZ250F 12-18
    Black
    1231-0418 54.95
    Black
    1231-0414 54.95
    Blue
    1231-0549 57.95
    YZ450F 10-18
    Black
    1231-0418 54.95
    HUSABERG
    KTM
    All models 05-12,
    Orange 1231-0380 59.95
    125-640 05-12 (all),
    Orange 1231-0380 59.95
    FE/FX/TE 09-14
    Black
    1231-0415 59.95
    EXC/XC-W 13-18
    Black
    1231-0415 59.95
    HUSQVARNA
    125-450 SX/SX-F/XC/
    FE/TE full size 14-18
    Black
    1231-0415 59.95
    XCF 13-18
    Orange 1231-0510 59.95
    2018 PARTS UNLIMITED OFFROAD