| Frame Size | TT | Rider Area |
CS min |
LR | FH | Tires | AF | ITS | BBH | BB kind |
HT | HT kind |
SPL | SP | Dropout kind |
Max Tires Clearance |
Brake kind |
Weight |
| 20″ | ||||||||||||||||||
| Mini | 18″ 457.2mm |
20.4″ 517.82mm |
12.76″ 324mm |
1.5″ 38.1mm |
12.1″ 307mm |
Front: 20×1-1/8″ Rear: 20×1-1/8″ |
73rd | 70° | 10.6″ / 269.4mm | Euro BSA 68mm |
4.5″ 115mm |
Integrated IS 42/42 |
8.5″ 215.9mm |
Aero 25.4mm |
Enclosed 3/8″ – 10mm |
20×1-1/8″ | Post or Flat Mount 120/140mm |
NC |
| Junior | 19″ 482.6mm |
21.2″ 537.34mm |
13″ 38.1 mm |
1.5″ 38.1mm |
12.1″ 307mm |
Front: 20×1-1/8″ Rear: 20×1-1/8″ |
73rd | 70° | 10.6″ / 269.4mm | Euro BSA 68mm |
4.5″ 115mm |
Integrated IS 42/42 |
8.8″ 223.52mm |
Aero 25.4mm |
Enclosed 3/8″ – 10mm |
20×1-1/8″ | Post or Flat Mount 120/140mm |
NC |
| Expert | 19.5″ 495.3mm |
21.5″ 546.57mm |
13.25″ 38.1 mm |
1.5″ 38.1mm |
12.1″ 307mm |
Front: 20×1-3/8″ Rear: 20×1-3/8″ |
73.4° | 70.4° | 11″ / 279.4mm | Euro BSA 68mm |
4.7″ 120mm |
Integrated IS 42/42 |
8.8″ 223.52mm |
Aero 25.4mm |
Enclosed 3/8″ – 10mm |
20×1-3/8″ | Post or Flat Mount 120/140mm |
NC |
| Expert XL | 20″ 508mm |
21.6″ 549.18mm |
13.5″ 342.9mm |
1.5″ 38.1mm |
12.1″ 307mm |
Front: 20×1.6″ Rear: 20×1.4″ Rear: 20×1.6″ |
– 73rd 75.5° |
– 70° 72.1° |
– 11″ / 279.4mm 11.95″ / 303.7mm |
Press Fit BB86 |
4.5″ 115mm |
Integrated IS 42/52 |
8.8″ 223.52mm |
Aero 27.2mm |
Enclosed 3/8″ – 10mm |
20×2.10″ | Post or Flat Mount 120/140mm |
NC |
| Pro | 20.5″ 520.7mm |
22.2″ 564.24mm |
14.25″ 361.95mm |
1.5″ 38.1mm |
12.1″ 307mm |
Front: 20×1.75″ Rear: 20×1.6″ Rear: 20×1.75″ |
– 74° 74.6° |
– 72.5° 73.1° |
– 11.5″ / 292.1mm 11.74″ / 298.3mm |
Press Fit BB86 |
4.7″ 120mm |
Integrated IS 42/52 |
9.3″ 236.2mm |
Aero 27.2mm |
Enclosed 3/8″ – 10mm |
20×2.10″ | Post or Flat Mount 120/140mm |
NC |
| Pro + | 20.75″ 527.05mm |
22.4″ 569.32mm |
14.3″ 361.95mm |
1.5″ 38.1mm |
12.1″ 307mm |
Front: 20×1.75″ Rear: 20×1.6″ Rear: 20×1.75″ |
– 74° 74.6° |
– 72.5° 73.1° |
– 11.5″ / 292.1mm 11.74″ / 298.3mm |
Press Fit BB86 |
4.7″ 120mm |
Integrated IS 42/52 |
9.3″ 236.2mm |
Aero 27.2mm |
Enclosed 3/8″ – 10mm |
20×2.10″ | Post or Flat Mount 120/140mm |
NC |
| Pro XL | 21″ 533.4mm |
22.6″ 574.45mm |
14.25″ 361.95mm |
1.5″ 38.1mm |
12.1″ 307mm |
Front: 20×1.75″ Rear: 20×1.6″ Rear: 20×1.75″ |
– 74° 74.6° |
– 72.5° 73.1° |
– 11.5″ / 292.1mm 11.74″ / 298.3mm |
Press Fit BB86 |
4.7″ 120mm |
Integrated IS 42/52 |
9.3″ 236.2mm |
Aero 27.2mm |
Enclosed 3/8″ – 10mm |
20×2.10″ | Post or Flat Mount 120/140mm |
NC |
| Pro XL + | 21.25″ 539.75mm |
22.8″ 579.6mm |
14.5″ 368.3mm |
1.5″ 38.1mm |
12.1″ 307mm |
Front: 20×1.75″ Rear: 20×1.6″ Rear: 20×1.75″ |
– 74° 74.6° |
– 72.5° 73.1° |
– 11.5″ / 292.1mm 11.74″ / 298.3mm |
Press Fit BB86 |
4.7″ 120mm |
Integrated IS 42/52 |
9.3″ 236.2mm |
Aero 27.2mm |
Enclosed 3/8″ – 10mm |
20×2.10″ | Post or Flat Mount 120/140mm |
NC |
| Pro XXL | 21.5″ 546.1mm |
23″ 584.75mm |
14.5″ 368.3 mm |
1.5″ 38.1mm |
12.1″ 307mm |
Front: 20×1.75″ Rear: 20×1.6″ Rear: 20×1.75″ |
– 74° 74.6° |
– 72.5° 73.1° |
– 11.5″ / 292.1mm 11.74″ / 298.3mm |
Press Fit BB86 |
4.7″ 120mm |
Integrated IS 42/52 |
9.3″ 236.2mm |
Aero 27.2mm |
Enclosed 3/8″ – 10mm |
20×2.10″ | Post or Flat Mount 120/140mm |
NC |
| Pro XXL + | 21.75″ 552.45mm |
23.2″ 589.96mm |
14.8″ 374.65mm |
1.5″ 38.1mm |
12.1″ 307mm |
Front: 20×1.75″ Rear: 20×1.6″ Rear: 20×1.75″ |
– 74° 74.6° |
– 72.5° 73.1° |
– 11.5″ / 292.1mm 11.74″ / 298.3mm |
Press Fit BB86 |
4.7″ 120mm |
Integrated IS 42/52 |
9.3″ 236.2mm |
Aero 27.2mm |
Enclosed 3/8″ – 10mm |
20×2.10″ | Post or Flat Mount 120/140mm |
NC |
| Pro XXXL | 22″ 558.8mm |
23.4″ 595.15mm |
15″ 381mm |
1.5″ 38.1mm |
12.1″ 307mm |
Front: 20×1.75″ Rear: 20×1.6″ Rear: 20×1.75″ |
– 74° 74.6° |
– 72.5° 73.1° |
– 11.5″ / 292.1mm 11.74″ / 298.3mm |
Press Fit BB86 |
4.7″ 120mm |
Integrated IS 42/52 |
9.3″ 236.2mm |
Aero 27.2mm |
Enclosed 3/8″ – 10mm |
20×2.10″ | Post or Flat Mount 120/140mm |
NC |
| OS 20″ | ||||||||||||||||||
| OS Pro XXL | 21.5″ 546.1mm |
23.8″ 604.46mm |
14.5″ 368.3mm |
1.5″ 38.1mm |
13.2″ 334.5mm |
Front: OS20x1.85″ Rear: OS20x1.6″ Rear: OS20x1.85″ |
– 74° 74.4° |
– 72.5° 72.9° |
– 11.5″ / 292.1mm 11.67″ / 296.4mm |
Press Fit BB86 |
4.7″ 120mm |
Integrated IS 42/52 |
10″ 252.73mm |
Aero 27.2mm |
Enclosed 3/8″ – 10mm |
OS20x1.85″ | Post or Flat Mount 120/140mm |
NC |
| OS Pro XXXL | 22″ 558.8mm |
24.2″ 614.39mm |
15″ 381mm |
1.5″ 38.1mm |
13.2″ 334.5mm |
Front: OS20x1.85″ Rear: OS20x1.6″ Rear: OS20x1.85″ |
– 74° 74.4° |
– 72.5° 72.9° |
– 11.5″ / 292.1mm 11.67″ / 296.4mm |
Press Fit BB86 |
4.7″ 120mm |
Integrated IS 42/52 |
10″ 252.73mm |
Aero 27.2mm |
Enclosed 3/8″ – 10mm |
OS20x1.85″ | Post or Flat Mount 120/140mm |
NC |
| 24″ | ||||||||||||||||||
| Pro Cruiser | 21.5″ 546.1mm |
24.4″ 619.26mm |
14.7″ 374.58mm |
1.5″ 38.1mm |
14″ 355mm |
Front: 24×1.75″ Rear: 24×1.6″ Rear: 24×1.75″ |
– 74° 74.3° |
– 71° 71.3° |
– 11.8″ / 299.72mm 11.92″ / 302.76mm |
Press Fit BB86 |
4.7″ 120mm |
Integrated IS 42/52 |
10.6″ 269.24mm |
Aero 27.2mm |
Enclosed 3/8″ – 10mm |
24×2.10″ | Post or Flat Mount 120/140mm |
NC |
| Pro + Cruiser | 22″ 558.8mm |
24.8″ 628.7mm |
14.7″ 374.58mm |
1.5″ 38.1mm |
14″ 355mm |
Front: 24×1.75″ Rear: 24×1.6″ Rear: 24×1.75″ |
– 74° 74.3° |
– 71° 71.3° |
– 11.8″ / 299.72mm 11.92″ / 302.76mm |
Press Fit BB86 |
4.7″ 120mm |
Integrated IS 42/52 |
10.6″ 269.24mm |
Aero 27.2mm |
Enclosed 3/8″ – 10mm |
24×2.10″ | Post or Flat Mount 120/140mm |
NC |
The frame CHASE The RSP 5.0 is the culmination of all recent upgrades, making it our best aluminum frame yet. Still featuring the winning geometry used for years by pro riders Connor Fields and Joris Daudet, it's designed exclusively for disc brakes, and its dropouts have been optimized, now offering better clearance for a wide range of post-mount and flat-mount disc brake calipers.
FEATURES :
• Aluminum 7005 T6 frame (Premium Ultralight)
• Double-butted hydroformed upper tube
• Triple-butted hydroformed lower tube
• Seat tube with "Aero shape system" profile
• Muscle-forming rear stays
• New internal cable routing
• Compatible exclusively with Post Mount and flat mount disc brakes
• New CNC-machined closed rear legsto provide better clearance for a wide range of disc brake calipers
• Sold with Integrated tensioners for 10mm axle, compatible only with female axle hubs, internal cable housing
• Sold separately:Aero seatpost and clamp, disc brake adapter
From Mini to Expert
• Integrated IS 42/42 steering bushing
• Euro BSA 68x73mm case
• Compatible with AERO seatpost and clamp 25.4mm
from Expert XL to Cruiser Pro+ and OS20 sizes
• Integrated tapered steering bushing IS 42/52
• Press Fit 86x92mm case
• Compatible with AERO seatpost and clamp 27.2mm
COMPATIBILITY:
• Integrated 1-1/8" steering (from Mini to Expert)
• Integrated tapered steering: Top 1-1/8" - Bottom 1.5" (from Expert XL)
• Euro BSC/BSA bottom bracket (from Mini to Expert)
• Press Fit BB86 bottom bracket (from Expert XL)
Head Tube Angles and BB height will vary buy the fork and tires used when Measuring. We have updated our angles to be exact when using a IKON Carbon Fork or ELEVN Cromo Fork (OS20) more used TIOGA Fastr or PowerBlock tires to give you the true angels and measurements. Usage of other forks and tires will give you a + or – of Heights and Angles.
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Questions fréquentes
How do I choose my BMX Race frame size?
Size is read from the top-tube length and chosen according to the rider's height: Mini, Junior, Expert, then Pro and Pro XL/XXL for adults. See our size guide.
Which frame material should I favour?
Aluminium dominates racing for its weight/stiffness ratio. Chromoly is more robust for beginners, while carbon targets performance and maximum lightness.
Is shipping free?
Yes: shipping is free within mainland France from €99 of purchase. Below that, the cost is shown at checkout according to weight and the chosen shipping method.
Can I pay in instalments?
Absolutely. You can pay for your purchases in 2 or 3 instalments with Alma, completely securely. The option appears automatically at checkout.
How long do I have to return an item?
You have 14 days after delivery to change your mind. The item must be new, unfitted and in its original packaging to be returned or exchanged.
Do you deliver to the French overseas territories (DOM-TOM)?
Yes, we also ship to the French overseas territories (DOM-TOM). Times and costs depend on the destination and parcel weight; the exact amount is calculated and shown before you confirm your order.