Synthesis DH Carbon Rim | Crankbrothers

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Optimized to exceed limits.

Front and rear specific rims optimized to address the specific performance requirements and loads of mountain bike riding.
Compliant front rim improves handling and maximizes grip and control in turns.
Stiff rear rim supports peak loads and enhances stability and tracking at speed.

downhill

$699.99 USD

Tax included.

Quantity

Size

29 Front

29 Rear

27.5 Rear

27.5 Front

Low stock - 1 item left
Inventory on the way

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ETRTO 584mm (27.5), 622mm (29)

Compatibility Tubeless ready / compatible

Rim Material Carbon

Inner Rim Width 31.5mm

Outer Rim Width 39.5mm

Rim Height 19mm

Spoke Hole Count 28 (Front), 32 (Rear)

Weight 550g (29 Front), 555g (27.5 Rear), 590g (29 Rear)

Warranty Lifetime

Product Support

Support Documents

Overall rating: 5.0 / 5 from 1 reviews.

AI Generated Review Summary

Summary topics

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Review highlights

Reviews

Very durable with the perfect

"Very durable with the perfect amount of compliance up front and stiffness in the rear. Laced mine up to Hydra 2's; no regrets with this purchase. There's a lifetime warranty on the rims too."

— Evan S. (5/5)

Q&A

Part of Selle Royal Group S.p.A. © 2026 All rights reserved.

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US Mens	3*	4*	5	6	7	7.5	8	8.5	9	9.5	10	10.5	11	11.5	12	12.5	13	14
US Womens	4.5	5.5	6.5	7.5	8.5	9	9.5	10	10.5	11	11.5	12	12.5	13	13.5	14	14.5	15.5
EUR	35	36	37	38	39.5	40	41	41.5	42	43	43.5	44	44.5	45	46	46.5	47	48
UK	2	3	4	5	6	6.5	7	7.5	8	8.5	9	9.5	10	10.5	11	11.5	12	13
MM	220	228	235	242	252	256	262	265	270	275	280	283	286	290	295	300	305	310