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ethirteen Helix Race espec Direct Mount Chainring for Bosch CX/SX - 34T, 15mm Offset, Sterling Silve

Marsoni M251S
Sale price$195.01
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Get it in 3 business days with 1 day shipping. Friday, May 29
ethirteen Helix Race espec Direct Mount Chainring for Bosch CX/SX - 34T, 15mm Offset, Sterling SilveThe ethirteen Helix Race espec Direct Mount Chainring is the ultimate premium upgrade for high performance Bosch e bike systems. Forged and CNC machined from ultralight, high strength 7075 T6 aluminum, this 34T one piece direct mount chainring features a wider 15mm offset to achieve proper chainline alignment on specialized Bosch CX Gen 4, Gen 5, and SX motor configurations. Equipped with an updated M4 narrow wide tooth profile and finished in a
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Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
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4.4 ★★★★★
Based on 2312 reviews
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Product Reviews
M
Michael Griffin
Boise, US
★★★★★ 5
Finally a kit that actually works
Size: 21pcs, Size: 21pcs
Tried the small nail on a pinhole leak, held pressure for 2 weeks now. The screwdriver feels solid. Comes with 3 glues which is generous.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 10, 2026
J
Jason
Battle Creek, US
★★★★★ 5
Beats rope plugs every time
Size: 21pcs, Size: 21pcs
Used plenty of plug kits. This screw-in type is faster, cleaner, and no arm workout. Large size seals a real nail hole tight. Trunk ready.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 10, 2026
A
Amazon Customer
Massapequa, US
★★★★★ 5
Easy even for a rookie
Size: 21pcs
First time using tire plugs. Super simple. The glue and screw design held air for weeks.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 10, 2026
A
Anthony Mason
Lake Worth, US
★★★★★ 5
Works like a charm
Size: 21pcs, Size: 21pcs
Fixed a nail hole in 3 minutes. No jack, no spare. Screwed right in.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 10, 2026
A
Amazon Customer
Port Orchard, US
★★★★★ 5
Works great
Size: 47pcs
This AUTOWN 47PCS Tire Repair Rubber Nail Kit - Complete Screw Plug Kit with Glue, Fast Fix for Flat Tires on Car, Truck, Motorcycle, SUV & More set is nice. Works as it should. Easy to use. Nice sizes. No leakage. Seems durable. Nice look. Good value
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 28, 2026

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