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    • OneUp Components ISCG05 Chainguide With Bashguard

  • OneUp Components ISCG05 Chainguide With Bashguard

    Eliminate dropped chains with this chainguide with bashguard, which was designed with input from top EWS World racers. This chainguide features a reinforced nylon bash guard and a backplate cut from 8mm thick 7075-T6 aluminium. This ensures that the OneUp Bash Guide can handle the biggest hits, but at a weight of only 105g (34T) you may forget it’s even there.


    The OneUp Bash Guide is equally at home on your trail bike, where the extra bash protection is a must for aggressive riders or on your DH rig. With the popularity of clutch derailleurs, it is no longer necessary to run a chain guide with a lower roller to effectively tension your chain. DH racers and Bike Park rippers will appreciate the huge reduction in drag with the elimination of the lower roller, without sacrificing any strength or chain retention.

    The OneUp Bash Guide includes 3 different sizes of bash plate for compatibility with chainrings from 28-36T.


    1. Remove top guide by removing the front top guide nut with a 4mm hex (never adjust the rear T25 bolt).

    2. Set slider in the highest position.

    3. Hold backplate directly against ISCG05 tabs. Check for clearance between the back side of the bashplate/guide and the bike frame (use included 2.5mm spacers if necessary to space the backplate away from the frame).

    4. Rotate backplate until slider adjustment bolt is directly above the crank axle and torque bolts to 5Nm.

    5. With crankset and chain installed, use spacer shim block to measure clearance between back plate and chain.

    6. Determine the corresponding number of chainline shims required.

    7. If more than 5 shims are required, install the supplied 2.5mm washers behind the backplate and return to step 2.

    8. Assemble top guide with spacers and tighten bolt to 3Nm.

    9. Insert a 4mm hex through the hole in the inner top guide, loosen height adjustment bolt and lower the tool onto the chain. Torque to 3Nm to set height.


    1. Remove Bash Guide from bike2. Remove bolt retaining clip from rear bash plate bolt by pushing a 4mm hex through the bolt from the backside of the guide.

    2. Remove Bash bolts using a 5mm hex.

    3. Select desired bash plate and reinstall bash bolts to 6Nm.

    4. Reinstall bolt retaining clip on the rear bash plate bolt.

    5. Reinstall Bash Guide onto bike.


    • Material: 7075 Aluminium, top guide glass reinforced thermoplastic
    • Capacity: 28-36T
    • Chainline: 7.5mm adjustment
    • Mount: ISCG05
    • Tool less upper guide flip
    • Install without removing your crank
    • Single tool install and adjustment
    • Includes 3 bash plates (28-30T, 32-34T, 36T)
    • Weight: 90g 28-30T, 105g 32-34T, 110g 36T

    Buy OneUp Components Components from Chain Reaction Cycles, the World's Largest Online Bike Store.


    • Couleur : Noir
    • Option: Top Mount
  • 75.49 CHF 75.49
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