Services and Q&A


Thanks to the hard work of the volunteers and the generosity of customers and bike shops around Sydney, the CRC acquired most of the tools used to tune, fix, and service a bike. Our volunteers can help you with:

  • Brakes: change and align brake-pads, adjust the cable tension … (NEW: bleed hydraulics – Mineral oil, Dot3 4, Dot5.1)
  • Bottom Bracket: grease, change the ball bearings, cups, and axle, …
  • Derailleurs: replace and tune
  • Wheels: replace a missing spoke, service the hub, …
  • Tires and tubes: fix a puncture, change a tire, …
  • General: Saddle, handle bars, grips, bells, reflectors, racks,

At the CRC you can also grab a pre-loved frame to try building a bike from scratch. The guys at the bike store will help you select the right frame and parts for your stated use. In this journey, a minimum knowledge about bikes is required as the volunteers are there to help you not do it for you.

Given that many more bikes are being donated, the Bike Store is full every week, so we cannot store your project. When you have selected a frame, the first step is to put wheels on it so you can at least roll it home and bring it back the next time you visite.

Second hand bikes:

When a bike is donated that is so complete that giving it away is just too easy, we will ask for a moderate cash donation to either our ‘Tools and Consumables Fund’ or to help fund local community projects.

From time to time, we cull the Bike Store of rusty, damaged or unsafe frames and wheels – ones with a terminal illness, such as worn bottom bracket threads, frozen seat post, cracked frame, etc. These bikes are stripped of useable parts. Some adult frames are sent to “The Men’s Shed – Mary MacKillop Outreach Centre” where the rear triangle becomes a wheelchair or a moving trolley; the rest we send to the scrap metal people.

On a bit of a sad note, since we moved to Waterloo, we have noticed some people who seem to be building more than one bike for themselves (probably to on-sell for profit). This is not in the spirit of CRC and we are concerned that such unscrupulous behaviour undermines our efforts to achieve our goals and purpose. If you see this happening, please let one of the volunteers know.

158 thoughts on “Services and Q&A

  1. Hi guys,

    I have an old mountain bike that I would like to donate. It has some problems with the gears and cranks but might be able to be restored and donated.

    I am also looking for a road/commute/hybrid bike if you have anything available. Able to come down on Wednesday afternoon this week. Thanks, Josh

  2. Hi,
    I am looking for a second- hand women’s bike. I am in Waterloo. If you have anything in stock please let me know.
    Thanks a ton.

  3. Hey guys, I’d love to purchase a bike for myself for casual use around the neighbourhood. Are there any suitable women bikes ready/nearly ready for a 5″2 (158cm) person such as myself? Cheers!

    1. I have an Apollo Montega step thru mountain bike that is purple & aqua in colour that I am rebuilding this week . It needs to go to a new home as I am moving house soon . I am prepared to give it away refurbished & tested . It has 26 x 1.95 tyres . Best time to collect is anytime on Sunday 28th March 2021 . The bicycle is in Lidcombe near Parramatta Road .A test ride is welcome .

    2. Liz , do you still need a bicycle like the ones in my previous post ? I have these two Apollo bicycles , the Montega & the Eclipse (which is a bit vintage) . If anyone else is interested in them , let me know . I am moving house & need them gone by the 17th April . They are in Lidcombe near Parramatta Road . You can email me at if you are interested in them . I will throw in a free helmet & keyed cable lock . I will provide lights for a competitive price if needed . My phone number is 0416 687 950 .

        1. Liz , if anyone else you know needs a step thru or budget bicycle , please let them know & ask them to get in touch with me , thankyou , Robert McFadyen . These bicycles need to be cleared by the 17th of April 2021 .

  4. I saw the silver Scott MTB on Gumtree.I am looking forward to seeing you all this coming Saturday 6/3/2021 & paying for it.I want to donate a few parts as well.I hope to get there mid-day sharp.I helped out once in the early 2000’s as a result of making contacts through Critical Mass Sydney at the Archibald Fountain,Hyde Park.I hope that I can help out in the future as I have industry experience from the late 90’s.I have my own repair studio fully equipped.

  5. Hi there. Trying to replace a 9sp shifter on my son’s bike. Do you guys have spare parts? How much do you sell that for? THX

  6. HI Team CRC, i am after 2 x used boys bike for kids age 8 and 10 years old. Can you please advice if you have any that we can buy?

    1. Hi Nisha,
      As of today (17/02) we do have three 24inch wheel bikes for you to choose from. Please visit the workshop on Monday and Wednesday from 5pm (we start packing up at 8pm).

  7. Hi do you guys open tomorrow on 27th Monday as it is Australia Day public holiday?

  8. Hi Team,
    I am an exchange student looking to buy a decent cheap bike (probably to give back in July).
    Do you have any bikes available for simple commuting to work and back (15 mins each way)?

    Thanks in advance,

    1. Hi Bohdan,
      We do have few second hand bikes that would suit your needs. Please come and visit us during the opening hours. Our volunteers will be happy to help you pick the best fit.

  9. Hey guys! I’m here in Sydney for 1.5 months and I’m looking for a cheap bike for that period, just to get from a to b. Would it be possible to purchase one of your bikes or even “rent” one for that period? I’d be more than happy to leave an a donation and the full purchase amount as pawn.

    Either way thanks,

    1. Hi Manuel, We have few second hand bikes for a very affordable price. Please come and visit us during the opening hours.

  10. Hi Team,

    My bike was recently stolen and I’m looking for a replacement.

    Can I come in today (or another Saturday) to purchase one of your ready to ride bikes? Or is purchasing only on the weeknight workshops?

    1. Hi there,
      Sorry to hear that. Bike theft is a huge problem in Sydney area. We recommend reporting the theft to police and using this platform:
      The boys at the workshop may have few bikes ready by 3pm on Saturday.

    2. Hi, may I ask where your bike was stolen from. My sons Mongoose Switchback was stolen last weekend from Ian Thorpe Pool.

    3. Hi
      One of the crank arm bolt hole of my bicycle is stripped, can you guys fix it?
      And how much it will cost?

      1. Hi Ricky,
        We can probably replace it with a second hand one. The service is free but you are more than welcome to make a donation towards the club.

  11. Hi, My rear wheel has become loose. I’ve only had the bike Polygon Heist a short time but it is second hand. I think it is the hub/bearings that have gone in it. Do you think this is something you guys could repair/replace?

    Am i right in saying that you are open Monday & Wednesdays 5-8pm and Saturdays 12-5pm? Or are the repairs only possible on Monday and Wednesdays?


    1. Hi Ben,
      We have tools and expertise to fix your rear wheel. However, if the cups are damaged, you may need a new wheel as replacing the hub is time consuming. Mechanical work is done on Monday and Wednesday only.
      CRC team.

  12. Hello There,

    I am suman, i live in eastern suburbs, i would like to visit the Nunnery bike workshop this saturday,21/09/2019.

    I want to fix my Road bike gears as it is not properly aligned, and want to do some service if you guys need me as a volunteer for hours, as I know how to assemble and dismantle Road, Mountain bike parts, and fix them too so that I can help you in return.

    And also like to buy any good frames, rims, and design my own bike for my younger brother.

    Hope to hear from you.

    1. Hi Suman,
      We would be delighted to have you helping us at the workshop. We have few bare frames for you to choose from. Be aware that building a bike from scratch takes time and you need to carry your project with you as we have limited storage space.
      Unfortunately, we are not open for service on Saturday. You can bring your bike on Monday and Wednesday from 5pm to 8pm.

      1. Hi crc team,
        you are opened on Saturday but no fixing or repairing work is done ? Is it?


        1. Yes. Saturday is used to catch up on work, to maintain the workshop, and to receive donations.

  13. Hi, I am looking to buy a Cycle for recreational purpose only, I am a supporter of recycling and reusing rather than buying new. I found this website from google, do you have bikes in good condition? If Yes, where can I find more details.

    1. Hi Prasad, We do have few second hand bikes. Please visit the workshop during the opening hours and see what we have. Our volunteers will be happy to assist you in selecting the right bike.

  14. Hi there,I don’t know much about your organization. There is something wrong with my brake. Can you fix it? Is this free or do you charge?

    1. Hi Sunny,
      We will be happy to help you fix your brakes. You can bring your bike on Monday and Wednesday from 5pm (We start packing up at 8pm).
      The service we provide is free but you are welcome to make a donation 🙂
      Note that we charge for new parts (e.g. new brake cables and pads).

  15. Hello, I want to do a mantainance for my bike, it is possible there with you? Do you sell tyres or something? Or I have to bring everything?

    1. Hi there,
      You are welcome to bring your bike for a service with us. We do have second hand parts which you can use for free. Best would be to visit the workshop and talk to the volunteers.

      1. Hello, do you have second-hand spokes? I have broken one! Will you open today?

        1. Hi there, yes we do have second hand spokes (not for electric bike wheels). The workshop will open at 5pm.

    1. Hi Divij,
      We take anything that is bike related. You can drop your donation during the opening hours or get in touch with us through the contact tab to arrange a different time.

  16. We have 3 biked we would like to donate that are pretty much in immediate give-away condition (we’ve bought 3 new ones that we’re replacing these with). One of the new ones keeps getting a flat tyre and we think the frame may be biting into the tube. When we drop off the 3 donations on Monday, would it possible for someone to have a look at the other bike and give us an opinion on why it might keep getting a flat?
    Thanks, David

    1. Hi David,
      Thanks for dropping the bikes and I hope you figured out the problem with the flat tyre.

  17. Hello, 5/10 female with no bike experience looking to get a bike to commute to work. No idea where to start but a friend recommended you guys. Are you still running and when is the best time to pop down?

    1. Hi Grace,
      Please come to the workshop on opening hours (Monday and Wednesday, from 5pm to 8:30pm). We will be happy to provide you with advice and maybe you can ride back home with a bike. Don’t forget a helmet !

  18. I have a good quality Charge Mixer men’s bike that I’d like to donate before I move interstate. Should I just bring it along to one of your regular meet-ups? I also have a few tools, lubes etc. if you could use them.

    1. Hi Philip,

      It would be great if you could come either on Monday or Wednesday from 5pm to 8:30pm. We are happy to take whatever is bike related from you 🙂


      1. Thanks for the response, CRC. I will aim to deliver the bike & extras next week.

  19. Hello! I need to fix my bike, it need a shifter (right one, 6 speed) i have a new gear cable and pedals ( i bought the wrong size and i can donate it) is necessary to make an appointment or something? Cheers!!

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