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BIKESTAR City Assembly Instructions Manual

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Assembly Instructions for
City Bicycles

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Summary of Contents for BIKESTAR City

  • Page 1 Assembly Instructions for City Bicycles...
  • Page 2 Dear customer, Congratulations on the purchase of your new bicycle from our online bike shop! Our expert bike mechanics have already comple- tely assembled your new bicycle, made all the necessary fine adjustments (such as shift and brake adjustments) and carried out a thorough check of all of its functions.

  • Page 3: Table Of Contents

    Contents Delivery Front wheel assembly Preparing the front wheel & fork Preparing the brakes Installing the front wheel Securing the front wheel Installing the brakes Functional check Adjusting/Installing the handlebars & stem Adjusting Ahead stem & headset bearings Adjusting quill stem on threaded headset Adjusting the handlebars Re-mounting dismounted handlebars Mounting the saddle &...

  • Page 4: Delivery

    1. Delivery What is in the package? (fi g. 1) 1 x assembled, checked and safely packaged bicycle 1 x separate front wheel 1 x combination saddle/seatpost fi g. 1 1 x accessory box containing an instruction manual, tools, accessories and pedals (if included with your bike model) Unpacking all the components from the bike box: Open the bicycle box and remove the transport safety device on the rear wheel.

  • Page 5: Front Wheel Assembly

    2. Front wheel assembly After unpacking all the components, the front wheel should be installed to place the new bike on its "feet“ for all further work. So that the front wheel can be mounted correctly into the fork, several steps must first be taken on the front wheel, fork and brakes. Below you will find the necessary instructions needed for your specific brake and front wheel type.
  • Page 6 For front wheels with disc brakes (left), the quick release lever should be placed on the right side. Please do not touch the disc brake rotor, as it may become contaminated with oil or grease and this could lead to compromised braking performance.
  • Page 7 b) Front wheel screw axle with axle nuts Remove the two plastic protective covers on the left and right of the hub, in the cen- tre of the front wheel. (fig. 1) fig. 1 Under the cover, the hub axle is now visible.
  • Page 8 c) Front wheel for thru-axle Remove the two plastic protective covers on the right and left of the hub, in the cen- tre of the front wheel. A hollow axis with 12, 15 or 20 mm internal diameter is now visible.

  • Page 9: Preparing The Brakes

    Preparing the brake a) Rim brake: V brake - Disconnecting the brake On bikes with V-brakes, the brake must be suspended for mounting the front wheel. This is the only way to fit the assembled and air-filled tyre through the brake system. No screw must be loosened.
  • Page 10 c) Rim brake: Road bike brake – Opening the brake In the case of bikes with road bike bra- kes, the brake cable must be released to mount the front wheel. This is the only way to fit the assembled and air-filled tyre through the brake system.

  • Page 11: Installing The Front Wheel

    Installing the front wheel Check in which direction the front wheel must be installed. Lift the bike (without the front wheel) with one hand on the stem. Position the front wheel as straight as possi- ble from the bottom into the fork. (fig. 1) fig.
  • Page 12 Fitting the front wheel a) Quick release Hand-screw the clamping nut on the quick release clamp against the lever until the open quick release tensioner has approx. 1-2 mm play. Move the quick release lever round 180°. (From position "Open“ to position "Close") (fig. 1-2) fig.
  • Page 13 b) Screw axle When the front wheel is in position, make sure that the washers are located on both sides between the fork end and the axle nut. (fig. 1) Turn the axle nuts on both sides by hand. fig. 1 Use the 15mm wrench to screw the axle nuts, alternating between right and left, until they are evenly and firmly...
  • Page 14 c) Thru-axle When the front wheel is in the correct position, insert the thru-axle through the fork end without the threaded insert and the hub. (fig. 1) fig. 1 Screw the leverless end of the thru-axle into the threaded insert of the fork. (fig. 2) fig.
  • Page 15 Fitting the brakes For bicycles with disc brakes on their front wheel, no further assembly steps are necessary. For bicycles with rim brakes on the front wheel, the front wheel brake must be mounted again after assembly. Depending on your type of brake, proceed as follows: V-Brake Press the brake arms of the v-brake together with one hand until the brake pads lie flat on the rim.
  • Page 16 Rim brake - Hydraulic Magura Position the left brake body on the brake mount of the fork. (fig. 1) fig. 1 Adjust the height of the brake body so that the brake pad sits exactly at the height of the rim flank. (fig. 2) fig.

  • Page 17: Functional Check

    Function check Check the free-running of the front wheel. If the front wheel is visibly slanted, running unevenly or significantly grinds the brake, the front wheel has not been installed correctly! (fig. 1) fig. 1 Check the function of the front brake. You should be able to easily stop the freely rotating front wheel with the front brake –...
  • Page 18 3. Adjustment of handlebar/stem The pre-assembled handlebar was turned to the side for transportation. With a few, simple hand movements you can bring the stem and handlebars into the correct riding position. On most bicycles, the stem is rotated with the handlebars already mounted. You just have to loosen a few screws and tighten them again to bring your handlebars (and all functioning shifters and brake levers) into the correct position.
  • Page 19 Quill stem & threaded headset Today‘s classic combination of quill stem and threaded headset are still common on everyday bicycles since they allow good adjustability of the handlebar height without additional compo- nents. In this system, the headset with bearing is screwed onto the threaded fork steerer independently of the stem.
  • Page 20 Place the handlebars in position Loosen the screws at the handlebar / stem connection slightly. (fig.1) fig. 1 Turn the handlebars to a comfortable position for you. Make sure that the handlebar remains positioned centrally in the stem. (fig. 2) fig.
  • Page 21 Installing the dismantled handlebars in the stem For individual bicycle models, it is necessary to separate the handlebar from the stem for safe transportation. In this case, the stem and headset are already set correctly. You only have to mount the handlebars in the stem. (fig. 1) fig.
  • Page 22 Adjusting shifter lever, brake lever, handles Brake levers, shift levers, and on many bikes, the handles themselves are all inde- pendently adjustable of each other. These bikes are delivered with a neutral basic setting as standard. Individual fine ad- justments can be made quickly and easily after the first test ride using the Allen keys on the supplied minitool.

  • Page 23: Mounting The Saddle & Seatpost

    4. Mounting the saddle and seatpost The saddle of your new bike is alrea- dy pre-mounted on the seatpost. The pre-assembled saddle / support combi- nation is part of the package as a separa- te component. Loosen the clamping screw on the seat tube of the frame.
  • Page 24 If the saddle height is correct and the saddle is in line with the upper tube (fig. 1), fix the saddle position with the clam- ping screw. (fig. 1-3) fig. 1 fig. 2 fig. 3 As a rule, hand-tightening is sufficient to prevent the seatpost from slipping. Too much tightening can damage the seatpost, frame and quick release.
  • Page 25 5. Mounting the pedals The last step before conducting your final checks and taking your bike for a test ride is mounting your pedals. You will find the pedals in the accessory box of your new bike. The left pedal only fits the left hand crank, the right hand pedal only to the right hand crank.
  • Page 26 6. Final checks & test riding The new bike is now ready for use and ready for its first test ride. Now the seat height can be adjusted exactly to the leg length and seat position. To do this, sit on the saddle of your new bike. If your heel is positioned on the pedal at 6 o‘ clock, then your leg should be straight.
  • Page 27 7. Maintenance of the bicycle In the interests of a precise and reliable performance from all components, an initial inspection by a bicycle workshop after about 100 kilometres or about 6 weeks of use is highly recommended. Bicycles cannot always be perfectly adjusted without a certain running-in period having passed. Mechanical components such as brakes, gears and bearings should be checked again after this initial operating time and readjusted if necessary.