Marvin Church Sr. & Jr. — The Family Credited with BMX's First Frame
Marvin Church Sr. & Jr.
Bob Osborn's 1984 Book Names Them First. Here's Where That Claim Sits Among BMX's Other Firsts.
A Legend Bike Co. history chapter · primary source: Bob Osborn, The Complete Book of BMX (Harper & Row / Wizard Publications, 1984), pp. 12-13 · supplemented by fatbmx.com's BMX Hall of Fame nominee archive and the Santa Monica Mirror
At a glance
Who Marvin Church Sr., a father who built his son a bike in a garage, and Marvin Church Jr., who raced it
Scene Southern California, November 1973 onward
Teams (Jr.) Rick's Bike Shop, Kawasaki, Shimano, and later Mongoose cruiser class
Known for Credited by Bob Osborn's 1984 book with building the first true BMX frame and the first BMX cranks
Every BMX history has to answer the same question eventually: who built the first real bike? Bob Osborn's 1984 book gives a specific, confident answer — a father and son in a garage, November 1973 — and it deserves to be taken seriously, because Osborn was there, running BMX Action and watching this sport get built in real time. It's also not the only answer on record. Here's Osborn's claim, straight, and here's where it sits next to the others.
The Claim, As Osborn Wrote It
In November 1973, according to The Complete Book of BMX, Marvin Church Sr. built his son a bicycle frame in his garage — straight-tube, a high bottom bracket, and quick steering, a real departure from the Schwinn Stingrays every other kid on the block was riding. Osborn's book calls it the first true BMX frame. Church Sr. didn't stop at the frame. He took a set of Schwinn Diamond cranks, cut them apart, and rewelded them longer — stretching the arms from 6.5 inches to 7.5 inches — which the book credits as the first true BMX cranks. Osborn writes that the pair made the Schwinn Stingray obsolete overnight, and calls the Churches "one of the sport's unsung innovators," adding that they "never marketed a single product."
Where This Sits Among BMX's Other Firsts
We're not going to pretend this is settled, because it isn't. Legend Bike Co.'s own Redline chapter credits Linn Kastan with BMX's first tubular chromoly fork, shipped in February 1974, and Redline's Squareback frame followed into production later that same year. Our Webco chapter dates that company's pivot from motorcycle parts into building its own BMX frames to "late 1973 or early 1974" — one of the very few outfits building purpose-made BMX frames in-house at that point, rather than adapting other bikes. Both of those are commercial, production firsts, backed by surviving catalogs, serial numbers, and surviving frames collectors can hold in their hands today.
Osborn's book puts the Church frame ahead of all of it, by months, in November 1973. But it was a one-off, built in a home garage for one rider, never manufactured, never sold, and never advertised. That's likely exactly why the Church name doesn't show up in the production histories the way Redline's and Webco's do — a first bike is not the same thing as a first product, and the sport's popular memory tends to remember the second more than the first. We're presenting Osborn's claim as the book's claim — a strong one, from someone who was in the room — and leaving the question of "which first matters most" unresolved. Readers can decide for themselves.
Who Were the Churches, Beyond the Book?
Osborn's book tells the invention story and moves on, so most of what's known about Marvin Church as a person comes from elsewhere. A nominee write-up hosted on fatbmx.com's BMX Hall of Fame coverage states that Church began racing in the early 1970s on a Schwinn Stingray with 4-inch cranks, and credits "Marvin and his dad" with building the first straight-tube BMX frame — but dates it to 1972, a year earlier than Osborn's November 1973 account. We're flagging that gap rather than picking a winner. The same source has Church riding for Rick's Bike Shop, Kawasaki, and Shimano, describes him as a pioneer of the mono-shock and sidehack era, and says that after time away from the sport he came back in the early 1980s racing cruisers for Mongoose. He was inducted into the BMX Hall of Fame in 2008. Coverage of that Rick's Bike Shop team, via the Santa Monica Mirror's profile of team captain John "Snaggletooth" Palfryman, places Church on the same roster as Thom Lund and David Clinton. Osborn's book also places a young Marvin Church in the starting-gate photo from the first-ever BMX national championship, the NBA Winternationals in February 1975, alongside Tinker Juarez, David Clinton, and Bobby Encinas — meaning Church wasn't just building bikes, he was racing them at the top level too.
Where the public record runs thin
The sources checked for this page don't clearly separate Sr. from Jr. in the racing record after 1973 — it's not certain whether the Rick's Bike Shop / Kawasaki / Shimano / Mongoose racing career belongs entirely to Church Jr., or whether Sr. raced too. Birth dates, hometown, and any shop or brand carrying the Church name have not turned up in the sources checked. What either man did with the rest of his life outside BMX is not documented here. If Osborn's November 1973 date and the 1972 date circulating elsewhere can be reconciled with a primary source — an original photo, a dated invoice, anything — we'd like to see it.
Where the Churches fit in the bigger story
Riders: John "Snaggletooth" Palfryman, David Clinton. Brands: Redline, Webco. The bigger arc is in our History of BMX series.
Sources
Bob Osborn, The Complete Book of BMX (Harper & Row, Publishers / Wizard Publications, Inc., 1984), pp. 12-13 — the November 1973 frame-and-crank origin story, and the NBA Winternationals starting-gate photo. fatbmx.com's BMX Hall of Fame nominee archive (snippet-sourced) — Church's early racing years, teams, 2008 Hall of Fame induction, and the competing 1972 date for the frame. Santa Monica Mirror, "BMX Bad Boy 'Snaggletooth' Inducted Into Hall of Fame" (July 19, 2012) — the Rick's Bike Shop team roster. Legend Bike Co.'s own Redline and Webco chapters, cross-checked for competing production-frame firsts.