Class 3 Cargo Bike Disclaimer: There is a steep injury curve if you crash your bike over 20mph, so please be mindful when you have precious cargo on board. Whether riding a Class 1 or Class 3, I typically keep my speeds below 16mph if my kids are on board.
I first got to ride an Xtracycle RFA back in 2019. The steel frame and 24″ wheels made for a comfortable ride compared to the other midtails on the market at the time, and I sold a good amount of them at my cargo bike shop. Fast forward, the RFA has even more accessories, a Shimano motor instead of Bosch, and is available in Class 3 / 28mph (the one you are reading) and a Class 1 / 20mph option.
If you like the idea of the 24″ wheels and steel frame, check on the Xtracycle Stoker, their longtail version that can hold up to 3 kids instead of 2.
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Xtracycle RFA 28mph Specs
| Available colors |
Black (matte), Off-white (glossy) |
| Bike weight |
60.2 lbs |
| Max Gross Vehicle Weight |
470 pounds |
| Frame material |
4130 Chromoly steel |
| Fork material |
4130 Chromoly steel |
| Handlebar |
Kalloy AL078L, 31.8mm, 45mm rise, 24-degree backsweep, 640mm width |
| Grips |
Marwi 7GP-03-L, 125mm long |
| Stem |
Kalloy AS007N. Available lengths: 60mm (S), 90mm (M), 120mm (L) |
| Headset |
FSA No. 18 |
| Saddle |
Xtracycle Comfort Saddle (2021) |
| Seat post |
Kalloy SP3D1, 31.6mm. Available lengths: 300mm (S), 400mm (M), 450mm (L) |
| Seat clamp (collar) |
Xtracycle LF-5233 34.9mm bolt-on |
| Kickstand |
RFA KickBack |
| Rear rack |
RFA Utility RearRack (RFA Sport RearRack available separately) |
| Brake levers |
Tektro M745 |
| Cabling |
Internal |
| Front brake |
Tektro M745, 4 piston hydraulic |
| Front rotor |
Shimano SM-RT64, 180mm |
| Rear brake |
Tektro M745, 4 piston hydraulic |
| Rear rotor |
Shimano STEPS RT-EM600-M, 180mm |
| Front light |
Herrmans H-Black Pro E 6-12V (attached to fender) |
| Rear light |
Herrmans H-TRACE E-BIKE 6-12V (included) |
| Shifters |
SRAM NX 11-speed trigger shifter with X-ACTUATION (Model number SL-NX-1-A1) |
| Front Derailleur |
(none) |
| Rear Derailleur |
Sram NX11 X-HORIZON (Model number RD-NX-1-A1) |
| Crank |
Shimano FC-EM600 or FSA CK-752, 170mm |
| Chainring |
FSA 38 tooth cog |
| Cassette |
SRAM GX PG-1130 A1, 11-speed, 11 tooth – 42 tooth |
| Chain |
e-ONZE-111 Taya (RFA Utility – 144 Links, RFA Sport – 123 Links) |
| E-assist |
Shimano STEPS EP8 |
| E-assist cycling computer |
Shimano SC-E5003 |
| Charger |
Shimano STEPS EC-E6002 (120 V AC, 50 – 60 Hz, 2 amp) |
| Battery |
Shimano STEPS BT-E8016, 630 wH (downtube, external), up to 60mi per charge depending on riding conditions and load |
| Front hub |
KT QL-XC2F, 15mm, 100mm thru-axle |
| Rear hub |
KT QL-XC2R, 10mm, 135mm bolt-on |
| Front rim |
24″ Alex MD-30/36H |
| Rear rim |
24″ Alex MD-30/36H |
| Spokes |
Pillar 14/15 gauge stainless w/PB15 14L brass nipples |
| Tires |
NICA’GNAR Cargo Tire 24 x 2.5″ |
| Tire compatibility |
24″ tires, max width of 2.5″ only |
| Fenders |
Aluminum (included) |
| Also includes |
RFA WheelSkirts (2021), RFA FootRests (2021) |
| E-assist class |
Class 1 |
| Max e-assist speed |
20 mph |
| Specifications are subject to change without notice. |
Xtracycle RFA 20mph Geometry
| 1 |
Head tube length |
8.7″ |
220 mm |
| 2 |
Fork length |
15.75″ |
400 mm |
| 3 |
Fork offset |
1.4″ |
35 mm |
| 4 |
Seat tube |
18.1″ |
460 mm |
| 5 |
Reach |
15.4″ |
390 mm |
| 6 |
Stack |
24.4″ |
620 mm |
| 7 |
Effective top tube |
22.6″ |
575 mm |
| 8 |
Actual top tube |
23.8″ |
605 mm |
| 9 |
Step over height |
22″ |
560 mm |
| 10 |
Chainstay length |
25.4″ |
645 mm |
| 11 |
Deck length |
25.2″ (Utility mode) |
640 mm (Utility mode) |
| 12 |
Deck height |
26″ |
660 mm |
| 13 |
Wheel base |
51″ (Utility mode) |
1295 mm (Utility mode) |
| 14 |
Actual length |
73″ (Utility mode), 80″ with the rack and Hooptie |
1854 mm (Utility mode), 2032 mm with the rack and Hooptie |
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