Tern has announced the two new folding bikes in the Eclipse family, the Eclipse X22 and Eclipse P20. They are claimed to be the fastest folding bikes in the world.

Both of them are full-size road bikes featuring 26-inch wheels, race-tuned hydroformed 7005-Al frame, Tarsus fork, Physis 3D handlepost, stealth black finish, adjustable VRO handlebar stem, disc brakes and high-performance Kojak road tires. However, the Tern Eclipse P20 is much more affordable than the Eclipse X22. So, what are the differences between the two folders? Let’s check them out.

Tern Eclipse P20
Tern Eclipse P20
Tern Eclipse X22
Tern Eclipse X22
Eclipse X22 Eclipse P20
Speeds 22 20
Weight 11.3 kg (24.9 lb) 12.22 kg (26.9 lb)
Folded Dimensions 42 x 89 x 81 cm (16.5″ x 35″ x 31.9″) 38 x 90 x 81 cm (15″ x 35.4″ x 31.9″)
Gear Inches 30″ – 112″ (2.38 – 8.92 m) 26″ – 112″ (2.09 – 8.92 m)
Frame Tern Eclipse, hydroformed 7005-Al Tern Eclipse, hydroformed 7005-Al
Fork Tarsus, 6061-AL, hydroformed Tarsus, 6061-AL, hydroformed
Handlepost Tern Physis 3D Tern Physis 3D
Stem Syntace VRO, adjustable Syntace VRO, adjustable
Headset Flux Pro, angular contact bearings Flux, cartridge bearings
Handlebar Kinetix Pro X, 7050-Al Kinetix Comp, 6061-Al
Grip/Bars Tape Ergon GS1 Leichtbau BioLogic Arx with T-Tool
Saddle Ergon SMC30 Pro, TiNox Rails BioLogic Phia, PrimeGel padding
Seatpost Stasis by Syntace, 7050-AL SuperOversize, 6061-Al
Brakes Shimano SLX, hydraulic disc Tektro Auriga, hydraulic disc
Front Hub Kinetix Pro X Disc, 20H Kinetix Pro Disc, 24H
Rear Hub Kinetix Pro X Disc, 20H Kinetix Pro Disc, 24H
Spokes and Nipples Sapim CX-Sprint, internal Polyax nipples Double-butted 18/10 stainless, Sapim Polyax nipples
Rims Kinetix Pro X, 6061-T10 aluminum Kinetix Pro X, 24H, 6061-T10 aluminum
Tires Schwalbe Kojak, 35-559 Schwalbe Kojak, 35-559
Shifters Shimano Ultegra trigger, 2×11 speed Shimano Tiagra trigger, 2×10 speed
Front Derailleur Shimano 105 Shimano Tiagra
Rear Derailleur Shimano Ultegra Shimano Tiagra
Crankset FSA Gossamer Pro, 50/34T FSA Vero, 50/34T
Cassette/Freewheel Shimano 105, 11-28T, 11 speed Shimano Deore, 11-32T, 10 speed
Bottom Bracket FSA MegaEVO, BB386 Cartridge, sealed bearings
Chain Shimano 105, 11 spd KMC X10
Pedals MKS UB-LITE EZY, QR LiteForm QR, alloy body, QR
MSRP $2,500 $1,500

 

eclipse-p20-x22-folding-bike

2 COMMENTS

  1. The visual comparison shows a Xaris fork on the P20. As listed correctly earlier, both bikes utilize the higher spec Tarsus hydroformed aluminum fork.

  2. Would it be possible to upgrade P20 to more or less the same level as X22 over time? I bought mine a year ago and while I barely used it due to an injury, after my recovery, I would like to put Ultegra groupset as well as SLX or XT brakes. Is this possible and how much would such an upgrade cost approximately?

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