![]() ![]() ![]() Bottom left: redesign with more machining & different logo placement. First off let's start with the original REDLINE Flight cranks.These can be identified by having a six splined spindle and no pinch bolts.These were made available to the public in 1980 and are known as 'FLIGHT CRANKS' they are somewhat scarce (compared to other Flight crank versions) and used a threaded (28T) spindle.REDLINE did list the part nu. new redline flight crank bolts jkraig wrote: bikesnbuses wrote: Are these any goodI know the allen bolts dont have 'ridged' sides. murph3699 'Prostyler Fiend' From: Massachusetts Signed up: Posts: 2424 Bikes: 12. Top right: similar to #9, except having a newer style logo (is it laser etched?) and a larger center bore.ġ1. Forum and Site Rules Become a Pro Member For Sale Section Rules. Top left: similar to #8, except having a smaller center bore and showing the tooth count on it's face.ġ0. The last set of sprockets are all anodized black.ĩ. I've never owned a set single-pinch half-wraps, so I can't comment on their drive boss. The drive boss of double-pinch Flights is in the same plane with the sprocket face, explaining the transition to sprockets not having recessed holes. Re: Help with Redline new flight cranks installation Sorted, the bearing ended up coming out easier than the whole cup, trimmed the sleeve, back in, looks great and roberts your fathers brother. The engraving looks finer than the previous ones.Īs stated above, the drive boss of 401 Flight cranks protrudes past the plane of the sprocket face (requiring a recess in the sprocket). Tooth count is not displayed on the face (44T pictured). Center bore looks larger maybe for 1-piece cranks (?). Bottom right: back to a more traditional design with triple lines and the logo in-line with the drive hole. Drive spoke is wider than the other spokes.Ĩ. Also has recessed center hole and drive hole (no idea why).ħ. Top right: similar to #5, but has double lines instead of triple lines. Top left: very similar to #4, except machined logos instead of stamped logos.Ħ. The second set of sprockets appear to have CNC machined logos/details.ĥ. The bubble-font sprocket can still be seen in the 1992 Redline catalog (in the reference section on this site). Separated letters on frame decals started in 1991 (but were not italicized until maybe 1993). 5.0 out of 5 stars based on 21 product ratings. The font style on #2 & #3 (where letters touch each other) is used on frame decals from approx 1981 - 1990. item 3 Redline Flight Cranks 175mm BMX Chrome Dual Pinch Crank Redline Flight Cranks 175mm BMX Chrome Dual Pinch Crank. ![]() Also, the position of the drive hole is now perpendicular to the logo. ![]() Bottom right: similar to #1 & #2, but has the newer italic Redline font. Price115.00 ShippingFree International ShippingNo Trades OKNo. i had these on the cw as you can see they are 175 full wrap single pinch from the 80s everything in the picture. how often do you see these come up for sale. Bottom left: similar to #2, but has a beefed-up section around the drive hole.Ĥ. Location: North Las Vegas, United States. Made to work RHD Uses a 19mm spindle Heat-treated 4130 chromoly arms Weight: 32. Top right: very similar to #1, but has the next generation Redline font.ģ. description The Redline Flight cranks are modeled after the original Redline Flight cranks from the 80's These would work perfect to use on your old BMX built or for your current BMX bike. Top left: the original "bubble font" sprocket.Ģ. The first set of sprockets all have a recessed drive bolt hole the drive boss of 401 Flight cranks protrudes past the plane of the sprocket face and fits in this recess.Īlso, these all appear to have stamped logos/details.ġ. Does anybody have more info as to what years each one was available? Are there any other variations not shown here? I put them in an order that seems to make sense to me and made a few observations. Most of the pictures were from this site. "In the very late 1980's or early 1990's REDLINE changed the design and these cranks were known as simply FLIGHT cranks again (not 401's).These cranks look similar to the 401 Series (also accept a six spline spindle) but the pinch bolt bosses were welded on and the pedal bosses were not the full wrap around version.They also came with a non-threaded spindle and sealed bearings.These cranks are commonly mistaken for the older more valuable 401 Series but are not considered to be true old school items.They are considered Mid school by most knowledgeable collectors.I put together some comparison pictures of the different variation of Flight sprockets that I have noticed. Noob question but can you tell me what the difference is between Full Wrap and Half Warp Redline Cranks.įound some info (below)on the web but the pictures are now Red Xs. I have some Redline Flight (185) cranks that came on 1991 Free Agent Cruiser.but I'm not sure what vintage they are? ![]()
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