20" GT Mach One Pro
20" GT Mach One Pro - Yellow : This product is available for backorder only. Will ship as soon as it is back in stock.
Couldn't load pickup availability
Sizing Chart
Sizing Chart
Sizing
BMX Bikes
This sizing chart to be used as a reference only. Minor variances may exist between manufacturers. The best way to determine your size is to visit us in-store and get fitted.
| Wheel Size | Top Tube Length | Rider Height (cm) | Rider Height (in) |
|---|---|---|---|
| 12" | 12-12.5" | 60-91cm | 2'0"-3'0" |
| 14" | 14-14.5" | 81-106cm | 2'8"-3'6" |
| 16" | 16-16.5" | 96-122cm | 3'2"-4'0" |
| 18" | 18-18.5" | 122-147cm | 4'0"-4'10" |
| 20" | 19.75-20.25" | 147-157cm | 4'10"-5'3" |
| 20" | 20-20.5" | 157-168cm | 5'3"-5'6" |
| 20" | 20.25-20.75" | 168-175cm | 5'6"-5'9" |
| 20" | 20.5-21" | 175-183cm | 5'9"-6'0" |
| 20" | 20.75-21.5" | 183-190cm+ | 6'0-6'3" |
Bike Shipping
Bike Shipping
Delivery is available upon specific request for our special order bikes.
Bikes may only be shipped directly to a qualified bike mechanic or bike shop of your choosing, who must complete the assembly of the bike. We strictly cannot ship an unbuilt bike direct to consumer.
The buyer is responsible for all shipping and assembly costs, and is responsible for arranging assembly with their nominated bike store or mechanic.
To request a shipping quote, please submit a request and include the delivery postcode, business name of your nominated bike shop or bike mechanic, and the exact model & frame size of the bike.
Please note: All bikes sold by Ivanhoe Cycles must be assembled by a qualified mechanic or bike shop. Any assembly undertaken without professional assistance is at the customer's risk and any injury as a result of the build without professional assistance will not be covered by the warranty.
Assembly
Assembly
Every bike purchased or collected in-store at Ivanhoe Cycles is fully assembled by our qualified mechanics free of charge.
Bikes ordered online for shipping* will require partial assembly, including but not limited to: installing handlebar, seatpost, front wheel; adjusting gears and brakes; tuning suspension; installing accessories or bar tape.
Disclaimer: Ivanhoe Cycles strongly advises having your assembly completed by an experienced bicycle mechanic. Any assembly undertaken without professional assistance is at the customer's risk and any injury as a result of the build without professional assistance will not be covered by the warranty.
*Shipping is restricted to certain brands due to assembly requirements.
Returns / Cancellations
Returns / Cancellations
If your special ordered item arrives faulty, damaged, or is differently than described, you are entitled to a full refund or replacement.
Cancellations and returns are not accepted on special orders if the consumer:
- changed their mind
- found the item cheaper elsewhere
- decided they didn't like the purchase or had no use for it
- ordered the wrong item
Contact us with any product enquiries you have prior to purchasing.
For more information, please read our Special Order terms and conditions.
Sizing
BMX Bikes
This sizing chart to be used as a reference only. Minor variances may exist between manufacturers. The best way to determine your size is to visit us in-store and get fitted.
| Wheel Size | Top Tube Length | Rider Height (cm) | Rider Height (in) |
|---|---|---|---|
| 12" | 12-12.5" | 60-91cm | 2'0"-3'0" |
| 14" | 14-14.5" | 81-106cm | 2'8"-3'6" |
| 16" | 16-16.5" | 96-122cm | 3'2"-4'0" |
| 18" | 18-18.5" | 122-147cm | 4'0"-4'10" |
| 20" | 19.75-20.25" | 147-157cm | 4'10"-5'3" |
| 20" | 20-20.5" | 157-168cm | 5'3"-5'6" |
| 20" | 20.25-20.75" | 168-175cm | 5'6"-5'9" |
| 20" | 20.5-21" | 175-183cm | 5'9"-6'0" |
| 20" | 20.75-21.5" | 183-190cm+ | 6'0-6'3" |
Entry to BMX Racing shouldn’t cost an arm and a leg. The Mach One Pro is ideal for a beginner 5'6"-5'10".
- Influenced by the Speed Series frame with reverse dropouts allows riders to take the bike spec from amateur to pro
- GT Top Load Stem
- GT Power Series Cr-Mo 3pc. Cranks, 110 BCD Spider
- Track ready entry level race bike
- Allows riders to test the waters of racing without breaking the bank
- Upgradeable Aluminum Race Frame
-
Top Tube Length
-
Frame material
-
Frame
-
Fork
-
Handlebar
-
Grips
-
Headset
-
Stem
-
Seatpost
-
Saddle
-
Pedals
-
Front Derailleur
-
Rear Derailleur
-
Brakes
-
Brake Levers
-
Cassette/Freewheel
-
Chain
-
Crankset
-
Bottom Bracket
-
Rims
-
Spokes
-
Notes
-
Speeds (rear)Single Speed
-
Age GroupKids, Teenagers
-
GenderMens, Unisex
-
DisciplineBMX
-
SKUYellow: G41701U20LG





