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  • SE STR-29" Quadangle Retro BMX Bike
  • SE STR-29" Quadangle Retro BMX Bike

SE Bikes

SE STR-29" Quadangle Retro BMX Bike

$779.00 + Free Shipping!
Before the Quadangle, there was the STR-1. This dates back to the late 1970’s when Stu Thomsen was SE Racing’s National #1 pro and the sport’s first superstar. His signature frame at the time was the Stu Thomsen Replica-1. This STR-1 frame had a unique design with both of the double down tubes wrapping underneath the bottom bracket shell and continuing around the Looptail rear end all the way back to the seat tube. Less than ten STR-1’s were ever produced, and over the years these frames became almost mythical and the most sought after frames of all time in the vintage BMX world. Fast forward nearly 40 years to today and SE is proud to bring you, the limited edition STR-29. All of the unique features and radness of the original STR-1, but built for the bigger rider with 29” wheels. This bike comes with an authentic SE Racing x Stu Thomsen trading card personally signed by Stu. Making history, once again.

Compare To:
- SE Big Ripper 29" 
Frame: Stu Thomsen Replica, 100% Cr-Mo Tubing, STR-1 Inspired double downtube wrap beneath bottom bracket, looptailrear end, retro dropouts, limited ediition and individually numbered on the inside of the rear dropout
Fork: Cowboy Cut Landing Gear, Full Cr-Mo
Crankset: Redline Flight Cranks, Dual Pinch Bolt, 175mm, Sealed Bering American Bottom Bracket, 33T Alloy SE Racing Sprocket
Pedals: X-Pedo Low-profile Platform w/ Removable Pins
Chain: KMC Z410A
Wheelset: Sealed Bearing 36H High-Flange Alloy FLip Flop Hubs with Double-Wall rims, ACS Crossfire 15t Freewheel, Stainless Spokes
Tires: Vee Tire Co x SE RAcing Speedster, 29x2.10"
Brakeset: Tektro 837-AL V-Brake
Handlebar: Cr-Mo Super Big Honkin' Cruiser Bar, 31x7"
Grips: Special Edition ODI Mushroom, Stu Thomsen
Accessories: Chrome STR Quad padset, alloy valvae caps, alloy rear wheel washers, Stu Thomsen Trading Card

All bikes purchased through City Grounds MUST be assembled by a certified bike shop mechanic. If the bike is NOT built by a certified bike shop mechanic, any warranty will be VOID. We will request for an assembly receipt as proof of professional installation.

For all warranty claims, please contact our Warranty Team at So that we can help you in a timely manner, make sure to include the following:

  • 1. Order Number (we will confirm date of purchase and determine if the item is still under the manufacturer’s warranty time limit)
  • 2. Brief description of the claim
  • 3. Photographs
  • 4. If the item is a bike or frame, include the serial number

We evaluate all warranties case-by-case to determine the best course of action and get you serviced to the best of our ability!

Warranty does not apply to the following:

  • • Any part of a product that has been installed, altered, repaired, or misused
  • • Damage from unintended style of riding, abuse, neglect, accident, and racing
  • • Normal wear and tear of any product (including but not limited to - saddles, grips, tires, tubes, cables, brake pads, chains)
  • • Failure to provide regular maintenance of any product

Labor and shipping are the responsibility of the customer. We do not cover parts purchased and labor performed by another bike shop.

Note: Warranty is for original owner only.